NPort IA5150A/IA5250A Series User s Manual

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1 User s Manual First Edition, May Moxa Inc. All rights reserved. Reproduction without permission is prohibited.

2 User s Manual The software described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement. Copyright Notice Copyright 2010 Moxa Inc. All rights reserved. Reproduction without permission is prohibited. Trademarks The MOXA logo is a registered trademark of Moxa Inc. All other trademarks or registered marks in this manual belong to their respective manufacturers. Disclaimer Information in this document is subject to change without notice and does not represent a commitment on the part of Moxa. Moxa provides this document as is, without warranty of any kind, either expressed or implied, including, but not limited to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this manual, or to the products and/or the programs described in this manual, at any time. Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no responsibility for its use, or for any infringements on the rights of third parties that may result from its use. This product might include unintentional technical or typographical errors. Changes are periodically made to the information herein to correct such errors, and these changes are incorporated into new editions of the publication. Technical Support Contact Information Moxa Americas Toll-free: Tel: Fax: Moxa Europe Tel: Fax: Moxa China (Shanghai office) Toll-free: Tel: Fax: Moxa Asia-Pacific Tel: Fax:

3 Table of Contents 1. Introduction Overview Package Checklist Product Features Product Specifications Getting Started Panel Layout Connecting the Hardware Wiring Requirements Connecting the Power Connecting to the Network Connecting to a Serial Device LED Indicators Adjust the Pull-high/Pull-low Resistors and Terminators for RS-422/RS-485 Ports Initial IP Address Configuration Initializing the NPort s IP Address Factory Default IP Address NPort Administration Suite ARP Telnet Console Serial Console (19200, n, 8, 1) Choosing the Proper Operation Mode Overview Real COM Mode RFC2217 Mode TCP Server Mode TCP Client Mode UDP Mode Pair Connection Mode Ethernet Modem Mode Reverse Telnet Mode Disabled Mode Web Console Configuration Opening Your Browser Export/Import Basic Settings Network Settings SNMP Settings IP Address Report Serial Settings Serial Parameters Operating Settings Real COM Mode RFC2217 Mode TCP Server Mode TCP Client Mode UDP Mode Pair Connection Mode Ethernet Modem Mode Reverse Telnet Mode Disabled Mode Accessible IP Settings Auto Warning Settings Auto warning: and SNMP trap Event Type Upgrade Firmware Monitor Monitor Line Monitor Async Monitor Async-Settings Monitor Relay Output Change Password Load Factory Default Save/Restart Configuring NPort Administrator Overview Installing NPort Administrator Configuration

4 Broadcast Search Unlock Password Protection Configuring the NPort IA5150A/IA5250A Upgrading the Firmware Export Configuration Import Configuration Monitor Port Monitor COM Mapping On-line COM Mapping Off-line COM Mapping COM Grouping Creating a COM Group Deleting a COM Group Adding a Port to a COM Group Removing a Port from a COM Group Modify Ports in a COM Group Changing the COM Number of a COM Group Changing Advanced Settings and Serial Parameters of the COM Group Changing the Serial Port Specified as Signal Port for the COM Group IP Address Report IP Serial LIB Overview IP Serial LIB Function Groups Example Program A. Pinouts and Cable Wiring... A-1 Port Pinout Diagrams... A-2 Ethernet Port Pinouts... A-2 RS-232/422/485 (male DB9) Pinouts... A-2 RS-422/485 (5-contact terminal block) Pinouts for the NPort IA5150A Series... A-2 Power Input and Relay Output Pinouts... A-2 Serial Cable Wiring Diagrams... A-3 Female DB9 to Male DB9... A-3 Female DB9 to Male DB25... A-3 Ethernet Cables... A-4 B. Well Known Port Numbers... B-1 C. SNMP Agents with MIB II & RS-232 Like Groups... C-1 RFC1213 MIB-II Supported SNMP Variables... C-1 RFC1317: RS-232 MIB Objects... C-3 D. Auto IP Report Protocol... D-1 E. Compliance Notice... E-1

5 1. Introduction 1 Welcome to the NPort IA5150A/IA5250A Series of industrial serial device servers. In this manual, we refer to the eight products in the series collectively as the NPort IA5150A/IA5250A Series. The four models in the NPort IA5150A/IA5250A Series are: NPort IA5150A NPort IA5150A-T NPort IA5150AI NPort IA5150AI-T NPort IA5250A NPort IA5250A-T NPort IA5250AI NPort IA5250AI-T 1-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), 0 to 60 C operating temperature 1-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), -40 to 75 C operating temperature 1-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), 0 to 60 C operating temperature, 2KV isolation 1-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), -40 to 75 C operating temperature, 2KV isolation 2-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), 0 to 60 C operating temperature 2-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), -40 to 75 C operating temperature 2-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), 0 to 60 C operating temperature, 2KV isolation 2-port RS-232/422/485 industrial automation device server with serial/lan/power surge protection, two 10/100BaseT(X) ports (1 IP), -40 to 75 C operating temperature, 2KV isolation The following topics are covered in this chapter: Overview Package Checklist Product Features Product Specifications

6 Introduction Overview These advanced NPort IA device servers are more rugged than ever before, from the design, casing, connectors, mounting methods, to the surge protection. Not only has the hardware been upgraded, but more flexible and user-friendly software has been added. The NPort IA5150A/IA5250A series of device servers deliver easy and reliable serial-to-ethernet connectivity for the industrial automation market. The NPort IA5150A/IA5250A series is designed to allow any serial device to connect to an Ethernet network. The compact size of the NPort IA5150A/IA5250A device servers makes them an ideal choice for connecting RS-232/422/485 serial devices, such as PLCs, sensors, meters, motors, drives, barcode readers, and operator displays. The NPort IA5150A/IA5250A Series device servers come with a compact casing and a DIN-Rail mounting kit. The NPort IA5150A/IA5250A serial device servers ensure the compatibility of network software that uses a standard network API (Winsock or BSD Sockets) by providing five modes: TCP Server, TCP Client, UDP, Pair Connection, Ethernet Modem, and Rtelnet. Thanks to the NPort IA5150A/IA5250A series Real COM/TTY drivers, software that works with COM/TTY ports can be set up to work over a TCP/IP network, without modifying the serial COM software applications. This excellent feature preserves your software investment and lets you enjoy the benefits of networking your serial devices instantly. The NPort IA5150A/IA5250A serial device servers support automatic IP configuration protocols (DHCP, BOOTP) and manual configuration via a handy web browser console. Both methods ensure quick and effective installation. And with the NPort IA5150A/IA5250A s Windows Utility, installation is very straightforward, since all system parameters can be stored and then copied to other device servers simultaneously. Package Checklist The NPort IA5150A/IA5250A Series device servers are shipped with the following items: Standard Accessories 1 NPort IA5150A/IA5250A Serial Device Server Documentation & Software CD NPort IA5150A/IA5250A Series Quick Installation Guide Warranty Card Optional Accessories DR-4524: 45W/2A DIN-Rail 24 VDC Power Supply with universal 85 to 264 VAC input DR-75-24: 75W/3.2A DIN-Rail 24 VDC Power Supply with universal 85 to 264 VAC input DR : 120W/5A DIN-Rail 24 VDC Power Supply with 88 to 132 VAC/176 to 264 VAC input by switch NOTE: Notify your sales representative if any of the above items is missing or damaged. Product Features The NPort IA5150A/IA5250A Series device servers have the following features: 1. Make your serial devices Internet ready 2. Versatile socket operating modes, including TCP Server, TCP Client, UDP, Reverse Telnet, RFC2217,and Real COM driver or 4-wire RS-485 with patented ADDC (Automatic Data Direction Control) 4. Slim type, inch-wide industrial strength casing 5. DIN-Rail or wall mountable 6. Built-in Ethernet cascading ports for easy wiring (RJ45 only) 7. Redundant dual DC power inputs 8. Warning by relay output and 1-2

7 Introduction Product Specifications Ethernet Interface Number of Ports: 2 Speed: 10/100 Mbps, auto MDI/MDIX Connector: 8-pin RJ45 Magnetic Isolation Protection: 1.5 KV built-in Serial Interface Number of Ports: NPort IA5150A: 1 NPort IA5250A: 2 Serial Standards: RS-232/422/485 Connector: NPort IA5150A Series: DB9 male for RS-232, terminal block for RS-422/485 NPort IA5250A Series: DB9 male for RS-232/422/485 Serial Line Protection: 15 KV ESD protection for all signals 2 KV isolation protection (NPort IA5150AI/IA5150AI-T, NPort IA5250AI/IA5250AI-T) 1 KV surge protection (Level 2) RS-485 Data Direction Control: ADDC (automatic data direction control) Serial Communication Parameters Data Bits: 5, 6, 7, 8 Stop Bits: 1, 1.5, 2 Parity: None, Even, Odd, Space, Mark Flow Control: RTS/CTS and DTR/DSR (RS-232 only), XON/XOFF Baudrate: 50 to Kbps Serial Signals RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND RS-422: Tx+, Tx-, Rx+, Rx-, GND RS-485-4w: Tx+, Tx-, Rx+, Rx-, GND RS-485-2w: Data+, Data-, GND Software Network Protocols: ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, Rtelnet, DNS, SNMP, HTTP, SMTP, SNTP, IGMP Configuration Options: Web Console, Serial Console, Telnet Console, Windows Utility Windows Real COM Drivers: Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7 x86/x64 Fixed TTY Drivers: SCO Unix, SCO OpenServer, UnixWare 7, UnixWare 2.1, SVR 4.2, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i Linux Real TTY Drivers: Linux kernel 2.4.x, 2.6.x Physical Characteristics Housing: Metal Weight: NPort IA5150A Series: 475 g (1.05 lb) NPort IA5250A Series: 485 g (1.07 lb) Dimensions: 36 x 140 x 105 mm (1.42 x 5.51 x 4.13 in) Environmental Limits Operating Temperature: Standard Models: 0 to 60 C (32 to 140 F) Wide Temp. Models: -40 to 75 C (-40 to 167 F) Operating Humidity: 5 to 95% RH Storage Temperature: -40 to 85 C (-40 to 185 F) Power Requirements Input Voltage: 12 to 48 VDC 1-3

8 Introduction Power Consumption: NPort IA5150A: 12 to 48 VDC, VDC; VDC NPort IA5150AI: 12 to 48 VDC, VDC; VDC NPort IA5250A: 12 to 48 VDC, VDC; VDC NPort IA5250AI: 12 to 48 VDC, VDC; VDC Regulatory Approvals EMC: CE (EN55022 Class A, EN55024), FCC Part 15 Subpart B Class A Safety: UL508, LVD Hazardous Location: UL/cUL Class 1 Division 2 Groups A, B, C and D ATEX: Class I, Zone 2 EMS: EN (ESD), Criteria B, Level 3 EN (RS), Criteria A, Level 3 EN (EFT), Criteria B, Level 4 EN (Surge), Criteria B, Level 3 for power line, Level 2 for communication line EN (CS), Criteria A, Level 3 EN , Criteria A, Level 3 EN Shock: IEC Freefall: IEC Vibration: IEC Reliability Alert Tools: Built-in buzzer and relay output Automatic Reboot Trigger: Built-in WDT (watchdog timer) Warranty Warranty Period: 5 years Details: See 1-4

9 2. Getting 2 Started In this chapter, we give instructions on installing the NPort IA5150A/IA5250A device servers. Software installation is covered in subsequent chapters. The following topics are covered in this chapter: Panel Layout Connecting the Hardware Wiring Requirements Connecting the Power Connecting to the Network Connecting to a Serial Device LED Indicators Adjust the Pull-high/Pull-low Resistors and Terminators for RS-422/RS-485 Ports

10 Getting Started Panel Layout NPort IA5150A Series NPort IA 5250A 2-2

11 Getting Started Connecting the Hardware This section describes how to connect the NPort IA5150A/IA5250A to serial devices for first time testing purposes. We cover Wiring Requirements, Connecting the Power, Grounding the NPort IA5150A/IA5250A Series, Connecting to the Network, Connecting to a Serial Device, and LED Indicators. Wiring Requirements ATTENTION Safety First! Be sure to disconnect the power cord before installing and/or wiring your NPort IA5150A/IA5250A Series. Wiring Caution! Calculate the maximum possible current in each power wire and common wire. Observe all electrical codes dictating the maximum current allowable for each wire size. If the current goes above the maximum ratings, the wiring could overheat, causing serious damage to your equipment. Temperature Caution! Please take care when handling the NPort IA5150A/IA5250A. When plugged in, the NPort IA5150A/IA5250A s internal components generate heat, and consequently the casing may feel hot to the touch. When installed with other components, make sure that there is at least 2 cm clearance on all sides of the NPort IA5150A/IA5250A in order to allow proper heat dissipation. You should heed the following: Use separate paths to route wiring for power and devices. If power wiring and device wiring paths must cross, make sure the wires are perpendicular at the intersection point. NOTE: Do not run signal or communication wiring and power wiring in the same wire conduit. To avoid interference, wires with different signal characteristics should be routed separately. You can use the type of signal transmitted through a wire to determine which wires should be kept separate. The rule of thumb is that wiring that shares similar electrical characteristics can be bundled together. Keep input wiring and output wiring separate. Where necessary, it is strongly advised that you label wiring to all devices in the system. Connecting the Power Connect the VDC power line with the NPort IA5150A/IA5250A s terminal block. If the power is properly supplied, the Ready LED will show a solid red color until the system is ready, at which time the Ready LED will change to a green color. Grounding the NPort IA5150A/IA5250A Series Grounding and wire routing helps limit the effects of noise caused by electromagnetic interference (EMI). Run the ground connection from the ground screw to the grounding surface prior to connecting devices. WARNING This product is intended to be mounted to a well-grounded mounting surface such as a metal panel. 2-3

12 Getting Started SG: The Shielded Ground (sometimes called Protected Ground) contact is the left most contact of the 8 contact power terminal block connector when viewed from the angle shown here. Connect the SG wire to an appropriate grounded metal surface. Connecting to the Network Connect one end of the Ethernet cable to the NPort IA5150A/IA5250A s 10/100M Ethernet port and the other end of the cable to the Ethernet network. If the cable is properly connected, the NPort IA5150A/IA5250A will indicate a valid connection to the Ethernet in the following ways: The Ethernet LED maintains a solid green color when connected to a 100 Mbps Ethernet network. The Ethernet LED maintains a solid orange color when connected to a 10 Mbps Ethernet network. The Ethernet LED will flash when Ethernet packets are being transmitted or received. ATTENTION Every NPort IA5150A/ IA5250A series is equipped with 2 Ethernet ports, which can be used to create an open chain of NPort IA5150A/IA5250A device servers. You must be careful not to connect the Ethernet ports of the two device servers at the ends of the chain. In other words, NPort IA does NOT support a closed chain. Connecting to a Serial Device Connect the serial data cable between the NPort IA5150A/IA5250A and the serial device. Serial data cables are optional accessories for NPort. LED Indicators The top panels of all NPort IA5150A/IA5250As have four LED indicators, as described in the following table. LED Name LED Color LED Function PWR1, PWR2 red Power is being supplied to power input PWR1, PWR2. Ready red Steady on: Power is on and the NPort IA5150A/IA5250A is booting up. Blinking: Indicates an IP conflict, or DHCP or BOOTP server did not respond properly, or a relay output occurred. When the above two conditions occur at the same time, check the relay output first. If after resolving the relay output the Ready LED is still blinking, then there is an IP conflict, or the DHCP or BOOTP server did not respond properly. green Steady on: Power is on and the NPort IA5150A/IA5250A is functioning normally. Blinking: The device server has been located by Administrator s Location function. off Power is off, or power error condition exists. E1, E2 orange 10 Mbps Ethernet connection. green 100 Mbps Ethernet connection. off Ethernet cable is disconnected, or has a short. P1, P2 orange Serial port is receiving data. green Serial port is transmitting data. off No data is being transmitted or received through the serial port. 2-4

13 Getting Started Adjust the Pull-high/Pull-low Resistors and Terminators for RS-422/RS-485 Ports In certain critical environments, you may need to add termination resistors to prevent the reflection of serial signals. When using termination resistors, it is important to set the pull high/low resistors properly so that electrical signals do not become corrupted. It is improbable for a single pull high/low resistor value to suit all the various environments and this is why the NPort IA5150A/IA5250A series provides DIP switches for setting the pull high/low resistor values for each serial port. The DIP switches are located on the PCB board; you will need to take off the covers to access them. To set the pull-high resistor to 150 KΩ, flip DIP1 to OFF, and then set the pull-low resistor to 150 KΩ, and then flip DIP2 to OFF. To set the pull-high resistor to 1 KΩ, flip DIP1 to ON, and then set the pull-low resistor to 1 KΩ, and then flip DIP2 to ON. Make sure that DIP3 is ON to enable the 120Ω terminator. The default settings for the pull-high and pull-low resistors, and the terminators are all at OFF. 2-5

14 3. Initial 3 IP Address Configuration When setting up your NPort IA5150A/IA5250A for the first time, the first thing you should do is configure the IP address. This chapter introduces the methods that can be used to configure the device server s IP address. Select one of the initial IP Address configuration methods to configure the NPort IA5150A/IA5250A s IP Address. For more details about network settings, see the Network Settings section from Chapter 5, Web Console Configuration. The following topics are covered in this chapter: Initializing the NPort s IP Address Factory Default IP Address NPort Administration Suite ARP Telnet Console Serial Console (19200, n, 8, 1)

15 Initial IP Address Configuration Initializing the NPort s IP Address Determine whether your NPort IA5150A/IA5250A needs to use a Static IP or Dynamic IP (either DHCP or BOOTP application). If the NPort IA5150A/IA5250A is used in a Static IP environment, you can use the NPort Administration Suite, ARP, Web Console, Telnet Console, or Serial Console to configure the new IP address. If the NPort IA5150A/IA5250A is used in a Dynamic IP environment, you can use the NPort Administration Suite, Web Console, Telnet Console, or Serial Console to configure the NPort IA5150A/IA5250A to get an IP address dynamically with DHCP, DHCP/BOOTP, or BOOTP. ATTENTION Consult your network administrator on how to reserve a fixed IP address for your NPort IA5150A/IA5250A in the MAC-IP mapping table when using a DHCP Server or BOOTP Server. In most applications, you should assign a fixed IP address to your NPort IA5150A/IA5250A. Factory Default IP Address NPort IA5150A/IA5250A products are configured with the following default private IP address: Default IP address: (IP addresses of the form xxx.xxx are referred to as private IP addresses, since it is not possible to directly access a device configured with a private IP address from a public network. For example, you would not be able to ping such a device from an outside Internet connection. NPort IA5150A/IA5250A applications that require sending data over a public network, such as the Internet, require setting up the server with a valid public IP address, which can be leased from a local ISP.) NPort Administration Suite NPort Administration Suite consists of some useful utility programs that are used to configure and manage your NPort IA5150A/IA5250A. See Chapter 5 for details on how to install NPort Administration Suite, and how to use this suite of useful utilities to set up IP addresses and configure your NPort IA5150A/IA5250A Series serial device servers. ARP You can make use of the ARP (Address Resolution Protocol) command to set up an IP address for your NPort IA5150A/IA5250A. The ARP command tells your computer to associate the NPort IA5150A/IA5250A s MAC address with the intended IP address. You must then use Telnet to access the NPort IA5150A/IA5250A, at which point the device server s IP address will be reconfigured. ATTENTION In order to use this setup method, both your computer and NPort IA5150A/IA5250A must be connected to the same LAN. Or, you may use a cross-over Ethernet cable to connect the NPort IA5150A/IA5250A directly to your computer s Ethernet card. Before executing the ARP command, your NPort IA5150A/IA5250A must be configured with the factory default IP address ( ), and your computer and the NPort IA5150A/IA5250A must be on the same subnet. 3-2

16 Initial IP Address Configuration Take the following steps to use ARP to configure the IP address: 1. Obtain a valid IP address for your NPort IA5150A/IA5250A from your network administrator. 2. Obtain the NPort IA5150A/IA5250A s MAC address from the label on its bottom panel. 3. Execute the arp -s command from your computer s MS-DOS prompt by typing: 4. arp s E8-xx-xx-xx 5. This is where is the new IP address and E8-xx-xx-xx is the MAC address for your NPort IA5150A/IA5250A. (Be sure to use the actual IP address and MAC address for your NPort IA5150A/IA5250A.) 6. Next, execute a special Telnet command by typing: telnet After issuing this command, a Connect failed message will appear, as shown here. After the NPort reboots, its IP address should be updated to the new address, and you can reconnect using either Telnet, Web, or Administrator to check that the update was successful. Telnet Console Depending on how your computer and network are configured, you may find it convenient to use network access to set up your NPort IA5150A/IA5250A s IP address. This can be done using Telnet. ATTENTION Figures in this chapter were generated using NPort IA5450AI. 1. From the Windows desktop, click on Start and then select Run. 2. Type telnet (use the correct IP address if different from the default) in the Open text input box, and then click OK. 3. When the Telnet window opens, if you are prompted to input the Console password, input the password and then press Enter. Note that this page will only appear if the NPort is password protected. 3-3

17 Initial IP Address Configuration 4. Type 2 to select Network settings, and then press Enter. 5. Type 1 to select IP address and then press Enter. 6. Use the Backspace key to erase the current IP address, type in the new IP address, and then press Enter. 3-4

18 Initial IP Address Configuration 7. Press any key to continue 8. Type m and then press Enter to return to the main menu. 9. Type s and then press Enter to Save/Restart the system. 3-5

19 Initial IP Address Configuration 10. Type y and then press Enter to save the new IP address and restart the NPort IA5150A/IA5250A. Serial Console (19200, n, 8, 1) You may use the RS-232 console port to set up the IP address for the NPort IA5150A/IA5250A. We suggest using PComm Terminal Emulator, which is available free of charge as part of the PComm Lite program suite, to carry out the installation procedure, although other similar utilities may also be used. ATTENTION The Serial Console is serial port 1 of the NPort IA5250A series and it is the DB9 serial port (in RS-232 mode) of the NPort IA5150A series. Before you start to configure the NPort IA5150A/IA5250A via serial console, turn off the power and connect the serial cable from the NPort IA5150A/IA5250A to your computer s serial port. 1. Connect the NPort IA5150A/IA5250A s serial port 1 directly to your computer s male RS-232 serial port. From the Windows desktop click on Start Programs PComm Lite Terminal Emulator. 2. When the PComm Terminal Emulator window opens, first click on the Port Manager menu item and select Open, or simply click on the Open icon. 3. The Property window opens automatically. From the Communication Parameter page, select the appropriate COM port for the connection, COM1 in this example, and for Baud Rate, 8 for Data Bits, None for Parity, and 1 for Stop Bits. 4. From the Property window s Terminal page, select ANSI or VT100 for Terminal Type and then click OK. 3-6

20 Initial IP Address Configuration 5. If you select Dumb Terminal as the terminal type, some of the console functions especially the Monitor function may not work properly. 6. Press the ` key continuously and then power on the NPort IA5150A/IA5250A. 7. NPort IA5150A/IA5250A will automatically switch from data mode to console mode as it receives a continuous string of `. 8. Input the password when prompted. Note that this page will only appear when the NPort IA5150A/IA5250A has been set up for password protection. 3-7

21 Initial IP Address Configuration 9. Start configuring the IP address under Network Settings. Refer to step 4 in the Telnet Console section for the rest of the IP settings. 3-8

22 4. Choosing 4 the Proper Operation Mode In this chapter, we describe the NPort IA5150A/IA5250A various Toperation modes. The options include an operation mode that uses a driver installed on the host computer, and operation modes that rely on TCP/IP socket programming concepts. After choosing the proper operation mode in this chapter, refer to Chapter 5 for detailed configuration parameter definitions. The following topics are covered in this chapter: Overview Real COM Mode RFC2217 Mode TCP Server Mode TCP Client Mode UDP Mode Pair Connection Mode Ethernet Modem Mode Reverse Telnet Mode Disabled Mode

23 Choosing the Proper Operation Mode Overview NPort IA5150A/IA5250A serial device servers network-enable traditional RS-232/422/485 devices, in which a Serial Device Server is a tiny computer equipped with a CPU, real-time OS, and TCP/IP protocols that can bi-directionally translate data between the serial and Ethernet formats. Your computer can access, manage, and configure remote facilities and equipment over the Internet from anywhere in the world. Traditional SCADA and data collection systems rely on serial ports (RS-232/422/485) to collect data from various kinds of instruments. Since the NPort IA5150A/IA5250A serial device servers network-enable instruments equipped with an RS-232/422/485 communication port, your SCADA and data collection system will be able to access all instruments connected to a standard TCP/IP network, regardless of whether the devices are used locally or at a remote site. The NPort IA5150A/IA5250A is an external IP-based network device that allows you to expand the number of serial ports for a host computer on demand. As long as your host computer supports the TCP/IP protocol, you won t be limited by the host computer s bus limitation (such as ISA or PCI), or lack of drivers for various operating systems. In addition to providing socket access, the NPort IA5150A/IA5250A also comes with a Real COM/TTY driver that transmits all serial signals intact. This means that your existing COM/TTY-based software can be preserved, without needing to invest in additional software. Three different Socket Modes are available: TCP Server, TCP Client, and UDP Server/Client. The main difference between the TCP and UDP protocols is that TCP guarantees delivery of data by requiring the recipient to send an acknowledgement to the sender. UDP does not require this type of verification, making it possible to offer speedier delivery. UDP also allows unicast or multicast of data to only one IP or groups of IP addresses. Real COM Mode The NPort IA5150A/IA5250A comes equipped with COM drivers that work with Windows 95/98/ME/NT/2000/XP/2003/Vista/2008/7/XP x64/2003 x64/vista x64/2008 x64/7 x64 systems, and also TTY drivers for Linux or Unix systems. The driver establishes a transparent connection between host and serial device by mapping the IP:Port of the NPort IA5150A/IA5250A s serial port to a local COM/TTY port on the host computer. Real COM Mode also supports up to eight simultaneous connections, so that multiple hosts can collect data from the same serial device at the same time. ATTENTION The driver used for Real COM Mode comes with the NPort IA5150A/IA5250A NPort Administrator. The driver is installed automatically on your computer when you install the NPort Administration Suite. One of the major conveniences of using Real COM Mode is that Real COM Mode allows users to continue using RS-232/422/485 serial communications software that was written for pure serial communications applications. The driver intercepts data sent to the host s COM port, packs it into a TCP/IP packet, and then redirects it through the host s Ethernet card. At the other end of the connection, the NPort IA5150A/IA5250A accepts the Ethernet frame, unpacks the TCP/IP packet, and then transparently sends it to the appropriate serial device attached to one of the NPort IA5150A/IA5250A s serial ports. 4-2

24 Choosing the Proper Operation Mode ATTENTION Real COM Mode allows several hosts to have access control over the same NPort IA5150A/IA5250A. The driver that comes with your NPort IA5150A/IA5250A controls host access to attached serial devices by checking the host s IP address. Refer to Accessible IP Settings in Chapter 5 for more details. RFC2217 Mode RFC2217 mode is similar to Real COM mode in that a driver is used to establish a transparent connection between a host computer and a serial device by mapping the serial port on the NPort IA5150A/IA5250A to a local COM port on the host computer. RFC2217 defines general COM port control options based on the Telnet protocol. Third party drivers supporting RFC2217 are widely available on the Internet and can be used to implement Virtual COM mapping to your NPort IA5150A/IA5250A serial port(s). TCP Server Mode In TCP Server mode, the NPort IA5150A/IA5250A is configured with a unique IP:Port address on a TCP/IP network. The NPort IA5150A/IA5250A waits passively to be contacted by the host computer, allowing the host computer to establish a connection with and get data from the serial device. This operation mode also supports up to eight simultaneous connections, so that multiple hosts can collect data from the same serial device at the same time. As illustrated in the figure, data transmission proceeds as follows: 1. The host requests a connection from the NPort IA5150A/IA5250A configured for TCP Server Mode. 2. Once the connection is established, data can be transmitted in both directions from the host to the NPort IA5150A/IA5250A, and from the NPort IA5150A/IA5250A to the host. TCP Client Mode In TCP Client mode, the NPort IA5150A/IA5250Acan actively establish a TCP connection to a pre-defined host computer when serial data arrives. After the data has been transferred, the NPort can automatically disconnect from the host computer by using the TCP alive check time or Inactivity time settings. Refer to chapter 5 for more details. As illustrated in the figure, data transmission proceeds as follows: 1. The NPort IA5150A/IA5250A configured for TCP Client Mode requests a connection from the host. 2. Once the connection is established, data can be transmitted in both directions from the host to the NPort IA5150A/IA5250A, and from the NPort IA5150A/IA5250A to the host. 4-3

25 Choosing the Proper Operation Mode UDP Mode Compared to TCP communication, UDP is faster and more efficient. In UDP mode, you can not only unicast but also multicast data from the serial device to multiple host computers, and the serial device can also receive data from multiple host computers, making this mode ideal for message display applications. Pair Connection Mode Pair Connection Mode employs two NPort IA5150A/IA5250A units in tandem, and can be used to remove the 15-meter distance limitation imposed by the RS-232 interface. One NPort IA5150A/IA5250A is connected from its RS-232 port to the COM port of a PC or other type of computer, such as a hand-held PDA, and the serial device is connected to the RS-232 port of the other NPort IA5150A/IA5250A. The two NPort IA5150A/IA5250A units are then connected to each other with a cross-over Ethernet cable, both are connected to the same LAN, or in a more advanced setup, they communicate with each other over a WAN (i.e., through one or more routers). Pair Connection Mode transparently transfers both data and modem control signals (although it cannot transmit the DCD signal) between the two NPort device servers. Ethernet Modem Mode Ethernet Modem Mode is designed for use with legacy operating systems, such as MS-DOS, that do not support TCP/IP Ethernet. By connecting one of the NPort IA5150A/IA5250A s serial port to the MS-DOS computer s serial port, it is possible to use legacy software originally designed to transmit data via modem, but now transmit the data over the Ethernet. Reverse Telnet Mode 4-4

26 Choosing the Proper Operation Mode Console management is commonly used by connecting to Console/AUX or COM ports of routers, switches, and UPS units. Rtelnet works the same as RAW mode in that only one TCP port is listened to after booting up. The system then waits for a host on the network to initiate a connection. The difference is that the RAW mode does not provide the conversion function provided by Telnet. If the connected devices need to use the CR/LF conversion function when controlling, then users must choose Reverse Telnet mode. Disabled Mode When the Operation Mode for a particular port is set to Disabled, that port will be disabled. 4-5

27 5. Web 5 Console Configuration The Web Console is the most user-friendly method available to configure the NPort IA5150A/IA5250A. In this chapter, we will introduce the Web Console function groups and function definitions. The following topics are covered in this chapter: Opening Your Browser Export/Import Basic Settings Network Settings SNMP Settings IP Address Report Serial Settings Serial Parameters Operating Settings Real COM Mode RFC2217 Mode TCP Server Mode TCP Client Mode UDP Mode Pair Connection Mode Ethernet Modem Mode Reverse Telnet Mode Disabled Mode Accessible IP Settings Auto Warning Settings Auto warning: and SNMP trap Event Type Upgrade Firmware Monitor Monitor Line Monitor Async Monitor Async-Settings Monitor Relay Output Change Password Load Factory Default Save/Restart

28 Web Console Configuration Opening Your Browser 1. Open your browser with the cookie function enabled. (To enable your browser for cookies, right click on your desktop Internet Explorer icon, select Properties, click on the Security tab, and then select either Enable or Prompt as shown in the figure below.) 2. Type in the Address input box (if using an IP address that is different from the default, input that), and then press Enter. 3. Input your password if prompted. The password will be transmitted with MD5 encryption over the Ethernet. Note: if the NPort IA5150A/IA5250A is not password protected,you will not be prompted to enter a password. ATTENTION If you use a web browser other than IE, remember to enable the allow cookies that are stored on your computer or allow per-session cookies functions. The NPort IA5150A/IA5250A uses cookies only for the purpose of transmitting password.. ATTENTION Refer to Chapter 3, Initial IP Address Configuration, to for detailed information on configuring the IP address. The examples shown in this chapter use the factory default IP address ( ). 1. The NPort IA5150A/IA5250A homepage will appear. There are two buttons on this page: Quick Setup and Export/Import. You can click Overview at any time to go back to this page. 5-2

29 Web Console Configuration 2. The following sections introduce these two convenient functions and the other settings listed in the Main Menu on the left of the page. ATTENTION If your password, the ONLY way to start configuring the NPort IA5150A/IA5250A is to load the factory defaults by using the "Reset to default" button located on the top of the NPort IA5150A/IA5250A. Remember to export the configuration files when you have finished the configuration. After using the "Reset to default" button to load the factory defaults, your configuration can be easily reloaded into the NPort IA5150A/IA5250A by using the Import function. ATTENTION If your NPort IA5150A/IA5250A application requires password protection, you must enable the cookie function in your browser. If the cookie function is disabled, you will not be allowed to enter the Web Console screen. Quick Setup streamlines the configuration of your NPort into three basic and quick steps that cover commonly used settings. While in Quick Setup you may click the Back button at any time to return to the previous step, or the Cancel button to reverse all settings. For detailed information about the different settings, refer to the Basic Settings, Network Settings, Serial Settings, and Operating Settings, sections in this chapter. 1. In Step 1/3, you must assign a valid IP address to the NPort IA5150A/IA5250A before the NPort can start operating within your network. Your network system administrator should provide you with an IP address and related settings for your network. In addition, the server name field is a useful way to specify the location or application of different NPort IA5150A/IA5250As. 2. In the Step 2/3, you must specify the operation mode you will be using. If your operation mode is not Real COM, TCP Server, TCP Client, or UDP mode, click Cancel and to go back to main menu and choose 5-3

30 Web Console Configuration Operating Settings to select suitable settings. 3. In the Step 3/3, you can modify the serial settings. 4. Review your settings on the Finish Settings page. If you are sure they are correct, then click the Save/Restart button to restart the device with these new settings. Note: If your IP address changes, you will not be able to return to the Home Page with the Home button. 5-4

31 Web Console Configuration Export/Import Export/Import allows you to back up and recover your settings. Click Export, to store all configuration data into a default file, <Servername>.txt. Click the Import button to upload a configuration file to the NPort IA5150A/IA5250A. Basic Settings Server name 1 to 39 characters NP[model name]_[serial No.] Optional Web/Telnet Console The Disable option for Web console and Telnet console is included for security reasons. In some cases, you may want to disable one or both of these console utilities as an extra precaution to prevent unauthorized users from accessing your NPort IA5150A/IA5250A. The factory default for both Web console and Telnet console is Enable. Web console Enable or Disable Enable Required 5-5

32 Web Console Configuration Telnet console Enable or Disable Enable Required ATTENTION If you disable both the Web console and Telnet console, you can still use the NPort Administrator to configure the NPort IA5150A/IA5250A device servers either locally or remotely over the network. Refer to Chapter 6 for more details. Reset button protect No or Yes None Optional NOTE: Select Yes to allow limited use of the Reset Button, this means that the "Reset to default" button only works within a 60 seconds time frame. I.e., within 60 seconds after booting up, after which the "Reset to default" button will be automatically disabled and will no longer work. Network Settings You must assign a valid IP address to the NPort IA5150A/IA5250A before the NPort can start operating within your network. Your network system administrator should provide you with an IP address and related settings for your network. The IP address must be unique within the network (otherwise the NPort IA5150A/IA5250A will not have a valid connection to the network). First time users may refer to Chapter 3, Initial IP Address Configuration, for more information. You can choose from four possible IP Configuration modes Static, DHCP, DHCP/BOOTP, and BOOTP located under the web console screen s IP configuration drop-down box. IP configuration Method Static DHCP DHCP/BOOTP BOOTP Function Definition User definable IP address, Netmask, and Gateway. DHCP server assigned IP address, Netmask, Gateway, DNS, and Time Server DHCP server assigned IP address, Netmask, Gateway, DNS, and Time Server, or BOOTP server assigned IP address (if the DHCP server does not respond) BOOTP server assigned IP address 5-6

33 Web Console Configuration IP address E.g., (IP addresses in the form x.x.x.0 and x.x.x.255 are invalid.) Required An IP address is a number assigned to a network device (such as a computer), which works as a permanent address on the network. Computers use IP addresses to identify and talk to each other over the network. Choose a proper IP address that is unique and valid in your network environment. Netmask E.g., Required A subnet mask represents all the network hosts at one geographic location, such as all the hosts in a building or on the same local area network. When a packet is sent out over the network, the NPort IA5150A/IA5250A will use the subnet mask to check whether the desired TCP/IP host specified in the packet is on the local network segment. If the address is on the same network segment as the NPort IA5150A/IA5250A, a connection is established directly from the NPort IA5150A/IA5250A. Otherwise, the connection will be established through the given default gateway. Gateway E.g., None Optional A network gateway acts as an entrance to another network. Usually, the computers that control the traffic within the network or at the local Internet service provider are gateway nodes. The NPort IA5150A/IA5250A needs to know the IP address of the default gateway computer in order to communicate with hosts outside the local network environment. To obtain correct gateway IP address information, consult your network administrator. IP configuration Static, DHCP, DHCP/BOOTP, BOOTP Static Required ATTENTION In Dynamic IP environments, the firmware will retry every 30 seconds, up to three times, until network settings are assigned by the DHCP or BOOTP server. The timeout for each try increases from one second, to three seconds, then to give seconds. If the DHCP/BOOTP server is unavailable, the firmware will use the default IP address ( ), metmask, and gateway as IP settings. DNS server 1/DNS server 2 E.g., (IP addresses in the form of x.x.x.0 and x.x.x.255 are invalid.) None Optional When a user wishes to visit a website, the computer will request a Domain Name System (DNS) server for the website s correct IP address, and then the computer uses the response to connect to the web server. DNS is how Internet domain names are identified and translated into IP addresses. A domain name is an alphanumeric name, such as moxa.com, which makes it easier for people to remember. A DNS server is a host that translates this kind of text-based domain name into numeric IP address to be used for establishing a TCP/IP connection. 5-7

34 Web Console Configuration In order to use the NPort IA5150A/IA5250A s DNS feature, you need to configure the DNS server. Doing so allows the NPort IA5150A/IA5250A to use a host s domain name to access the host. The NPort IA5150A/IA5250A provides DNS server 1 and DNS server 2 configuration items to configure the IP address of the DNS server; DNS Server 2 is included for use when DNS sever 1 is unavailable. The NPort IA5150A/IA5250A acts as a DNS client by actively querying the DNS server for the IP address that is associated with a particular domain name. NPort IA5150A/IA5250A functions that support domain name are Time server, Destination IP Address in TCP Client mode, Mail Server, SNMP trap server, and Auto report to IP. SNMP Settings Community name 1 to 39 characters public Optional A community name is a plain-text password mechanism that is used to weakly authenticate queries to agents of managed network devices. Contact 1 to 39 characters (E.g., Support, #300) None Optional The SNMP contact information usually includes an emergency contact name and telephone or pager number. Location 1 to 39 characters (E.g., Floor 1, office 2) None Optional Specifies the location string of SNMP agents, such as the NPort IA5150A/IA5250A. This string is usually set to the street address where the NPort IA5150A/IA5250A is physically located. IP Address Report When NPort IA5150A/IA5250A products are used in a dynamic IP environment, users need to spend more time with IP management tasks. For example, if the NPort IA5150A/IA5250A works as a server (TCP or UDP), then the host, which acts as a client, must know the IP address of the server. If the DHCP server assigns a new IP address to the NPort IA5150A/IA5250A, the host needs a way to determine the NPort IA5150A/IA5250A s new IP address. NPort IA5150A/IA5250A products help out by periodically reporting their IP addresses to the IP location server in case the dynamic IP has changed. The parameters shown below are used to configure the Auto IP Report function. There are two ways to develop an Auto IP report server to receive the NPort IA5150A/IA5250A s Auto IP report. 1. Use the NPort Administrator s IP Address Report function. 2. Use Auto IP report protocol, which can automatically receive the Auto IP report on a regular basis. It can also be used to help you develop your own software. Refer to Appendix E for the Auto IP report protocol. 5-8

35 Web Console Configuration Auto report to IP E.g., or URL (IP addresses in the form of x.x.x.0 and x.x.x.255 are invalid.) None Optional Reports generated by the Auto report function will be automatically sent to this IP address. Auto report to TCP port E.g., Optional Auto report period Time interval (in seconds) 10 Optional Serial Settings Click Serial Settings, located under Main Menu, to display the serial port settings. To modify the serial settings for a specific port, click Port X (X=1 or 2) under Serial Settings. 5-9

36 Web Console Configuration Port alias 1 to 15 characters (E.g., PLC-No.1) None Optional Port alias is included to allow easy identification of the serial devices that are connected to the NPort IA5150A/IA5250A s serial ports. Serial Parameters ATTENTION Check the serial communication parameters in your Serial Device s user s manual. You should set up the NPort IA5150A/IA5250A s serial parameters with the same communication parameters being used by your serial devices. Baudrate 50 bps to Kbps Kbps Required Data bits 5, 6, 7, 8 8 Required When a user sets the Data bits to 5 bits, the Stop bits setting will automatically change to 1.5 bits. Stop bits 1, 1.5, 2 1 Required Stop bits will be set to 1.5 when the Data bits is set to 5 bits. Parity None, Even, Odd, None Required Space, Mark Flow control None, RTS/CTS, RTS/CTS Required DTR/DSR, Xon/Xoff FIFO Enable, Disable Enable Required The NPort IA5150A/IA5250A s serial ports provide a 16-byte FIFO in the Tx and Rx directions. To prevent unexpected communication, disable the FIFO setting if your serial device does not offer FIFO. Interface RS-232/422/485 RS-232 (NPort 5110A/5150A) RS-422 (NPort 5130A) Required 5-10

37 Web Console Configuration Operating Settings Click Operating Settings, under Main Menu, to display the operating settings of the NPort IA5150A/IA5250A s serial ports. Real COM Mode TCP alive check time 0 to 99 min 7 min Optional 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: the NPort IA5150A/IA5250A will automatically close the TCP connection if there is no TCP activity during this given time. After the connection has closed, the NPort IA5150A/IA5250A will start listening for another Real COM driver connection from another host. Max connection 1, 2, 3, 4, 5, 6, 7, 8 1 Required 5-11

38 Web Console Configuration Max connection is usually used when the user needs to receive data from different hosts simultaneously. The factory default is 1, this means that only one specific host can access this NPort IA5150A/IA5250A, and the Real COM driver on that host will have full control over the port. Max Connection 1: Only a single host s Real COM driver can access the specific NPort IA5150A/IA5250A serial port. Max Connection 2 to 8: Allows two to eight host s Real COM drivers to access the specific NPort IA5150A/IA5250A serial port at the same time. When multiple hosts Real COM drivers access the serial port at the same time, the COM driver only provides pure data tunneling without control ability. This means that the serial port will use the parameter of the firmware s settings and not those of your application program (AP). Application software that is based on the COM driver will receive a driver response of success when the software uses any of the Win32 API functions. The firmware will only send the data back to the driver on the host. Data will be sent first-in-first-out when the data is received by the NPort IA5150A/IA5250A from the Ethernet interface. ATTENTION When "Max connection" is set greater than 1, this means that the NPort IA5150A/IA5250A will be using a multi connection application (i.e., up to eight hosts are allowed access to the port at the same time). When using a multi connection application, the NPort IA5150A/IA5250A will use the serial communication parameters set in the console. All of the hosts connected to that port must use the same serial settings. If one of the hosts opens the COM port with parameters that are different from the NPort IA5150A/IA5250A s console setting, data communication may not transmit properly. Ignore jammed IP No or Yes No Optional If you select No when Max connections is > 1 and the serial device is transmitting data, in the event one of the connected hosts is not responding, the second group of data will not be sent until all the data from the first group has been successfully transmitted. If you select Yes for Ignore jammed IP, hosts that are not responding will be ignored, but the data will still be transmitted to all the other hosts. Allow driver control No or Yes No Optional If Max connection is greater than 1, NPort will ignore the driver control commands from all connected hosts. However, if you set Allow driver control to Yes, control commands will be accepted. Note: Since the NPort IA5150A/IA5250A may get configuration changes from multiple hosts, the most recent command it receives will take precedence. Packing length 0 to Optional Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If the data length (in bytes) matches the configured value, the data will be forced out. The data length can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length. Delimiter 1 00 to FF (hex) None Optional 5-12

39 Web Console Configuration Delimiter 2 00 to FF (hex) None Optional Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data currently in its buffer and sends it to the NPort IA5150A/IA5250A s Ethernet port. ATTENTION Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips the clearing of the buffer. If the size of the serial data received is greater than 1 KB, the NPort IA5150A/IA5250A will automatically pack the data and send it to its Ethernet port. However, to use the delimiter function, you must at least enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work properly. Delimiter process Do nothing, Delimiter + 1, Delimiter + 2, Strip Delimiter Do Nothing Optional [Delimiter + 1] or [Delimiter + 2]: The data will be transmitted when an additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter. [Strip Delimiter]: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining data will be transmitted. [Do nothing]: The data will be transmitted when the Delimiter is received. Force transmit 0 to ms 0 ms Optional 0: Disable the force transmit timeout. 1 to 65535: Forces the NPort IA5150A/IA5250A s TCP/IP protocol software to try to pack serial data received during the specified time into the same data frame. This parameter defines the time interval during which the NPort IA5150A/IA5250A fetches the serial data from its internal buffer. If data is incoming through the serial port, the NPort IA5150A/IA5250A stores the data in its internal buffer. The NPort IA5150A/IA5250A transmits the data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time interval reaches the time specified under the Force transmit timeout. The ideal Force transmit timeout depends on your application, but it must be at least larger than a single character interval within the specified baudrate. For example, assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to send a character is 10 bits, and the time required to transfer one character is (10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms. Therefore, you should set the Force transmit timeout to be larger than 8.3 ms, so in this case, it must be greater than or equal to 10 ms. If a user wants to send a series of characters in the same packet, the serial device attached to the NPort IA5150A/IA5250A should send that series of characters during a time interval that is less than the Force transmit timeout of the NPort IA5150A/IA5250A, and the total length of data must be less than or equal to the NPort IA5150A/IA5250A s internal buffer size. The serial communication buffer size for the NPort IA5150A/IA5250A is 1 KB per port. 5-13

40 Web Console Configuration RFC2217 Mode TCP alive check time 0 to 99 min 7 min Optional 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A automatically close the TCP connection if there is no TCP activity during this given time. After the connection has closed, the NPort IA5150A/IA5250A will start listening for another host s TCP connection. Local TCP port 1 to Required The Local TCP port is the TCP port that the NPort IA5150A/IA5250A uses to listen to connections, and that other devices must use to contact the NPort IA5150A/IA5250A. To avoid conflicts with well known TCP ports, the default is set to Packing length 0 to Optional Default = 0: The Delimiter Process will be followed, regardless of the length of the data packet. If the data length (in bytes) matches the configured value, the data will be forced out. The data length can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length. Delimiter 1 00 to FF None Optional Delimiter 2 00 to FF None Optional Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data currently in its buffer and sends it out the NPort IA5150A/IA5250A s Ethernet port. 5-14

41 Web Console Configuration Delimiter process Do Nothing, Delimiter + 1, Delimiter + 2, Strip Delimiter Do Nothing Optional [Delimiter + 1] or [Delimiter + 2]: The data will be transmitted when an additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter. [Strip Delimiter]: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining data is transmitted. [Do Nothing]: The data will be transmitted when the Delimiter is received. Force transmit 0 to ms 0 ms Optional 0: Disable the force transmit timeout. 1 to 65535: Forces the NPort IA5150A/IA5250A s TCP/IP protocol software to try to pack serial data received during the specified time into the same data frame. This parameter defines the time interval during which the NPort IA5150A/IA5250A fetches the serial data from its internal buffer. If data is incoming through the serial port, the NPort IA5150A/IA5250A stores the data in its internal buffer. The NPort IA5150A/IA5250A transmits the data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time interval reaches the time specified under the Force transmit timeout. The ideal Force transmit timeout depends on your application, but it must be at least larger than a single character interval within the specified baudrate. For example, assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to send a character is 10 bits, and the time required to transfer one character is (10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms. Therefore, you should set the Force transmit timeout to a value larger than 8.3 ms, so in this case, it must be greater than or equal to 10 ms. If a user wants to send a series of characters in the same packet, the serial device attached to the NPort IA5150A/IA5250A should send that series of characters during a time interval that is less than the Force transmit timeout for the NPort IA5150A/IA5250A, and the total length of data must be less than or equal to the NPort IA5150A/IA5250A s internal buffer size. The serial communication buffer size for the NPort IA5150A/IA5250A is 1 KB per port. 5-15

42 Web Console Configuration TCP Server Mode TCP alive check time 0 to 99 min 7 min Optional 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A will automatically close the TCP connection if there is no TCP activity during this given time. After the connection has closed, the NPort IA5150A/IA5250A will start listening for another host s TCP connection. Inactivity time 0 to ms 0 ms Optional 0 ms: TCP connection is not closed due to an idle serial line ms: The NPort IA5150A/IA5250A automatically closes the TCP connection if there is no serial data activity during this given time. After the connection has closed, the NPort IA5150A/IA5250A will start listening for another host s TCP connection. This parameter defines the maintenance status as Closed or Listen for the TCP connection. The connection is closed if there is no incoming or outgoing data through the serial port during the specific Inactivity time. If the Inactivity time is set to 0, the current TCP connection is kept active until a connection close request is received. Although Inactivity time is disabled, the NPort IA5150A/IA5250A will check the connection status between the NPort IA5150A/IA5250A and remote host by sending keep alive packets periodically. If the remote host does not respond to the packet, the NPort IA5150A/IA5250A assumes that the connection was closed unintentionally, the NPort IA5150A/IA5250A will then force the existing TCP connection to close. ATTENTION The Inactivity time should be larger than that of the Force transmit timeout. To prevent unintended data loss due to session disconnection, it is highly recommended that this value is set large enough so that the intended data transfer can be completed. 5-16

43 Web Console Configuration Max connection 1, 2, 3, 4, 5, 6, 7, 8 1 Required Max connection is usually used when the user needs to receive data from different hosts simultaneously. The factory default only allows 1 connection at a time. Max connection 1: NPort only allows 1 host to open the TCP connection to the specific serial port. Max connection 2 to 8: Allows two to eight host s TCP connection request to open this NPort IA5150A/IA5250A serial port, at the same time. When multiple hosts establish a TCP connection to the specific serial port at the same time, NPort IA5150A/IA5250A will duplicate the serial data and transmit it to all of the hosts. Ethernet data will be sent on a first-in-first-out basis to the serial port when the data is received by the NPort IA5150A/IA5250A from the Ethernet interface. Ignore jammed IP No or Yes No Optional If you select No when Max connections is > 1 and the serial device is transmitting data, in the event one of the connected hosts is not responding, the second group of data will not be sent until all the data from the first group has been successfully transmitted. If you select Yes for Ignore jammed IP, hosts that are not responding will be ignored, but the data will still be transmitted to all the other hosts. Allow driver control No or Yes No Optional If Max connection is greater than 1, the NPort will ignore driver control commands from all connected hosts. However, if you set Allow driver control to YES, control commands will be accepted. Note: Since the NPort IA5150A/IA5250A may get configuration changes from multiple hosts, the most recent command received will take precedence. Packing length 0 to Optional Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If the data length (in bytes) matches the configured value, the data will be forced out. The data length can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length. Delimiter 1 00 to FF None Optional Delimiter 2 00 to FF None Optional Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data currently in its buffer and sends it to the NPort IA5150A/IA5250A s Ethernet port. 5-17

44 Web Console Configuration ATTENTION Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips the clearing of the buffer. If the size of the serial data received is greater than 1 KB, the NPort IA5150A/IA5250A will automatically pack the data and send it to the Ethernet. However, to use the delimiter function, you must at least enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work properly. Delimiter process Do Nothing, Delimiter + 1, Delimiter + 2, Strip Delimiter Do Nothing Optional [Delimiter + 1] or [Delimiter + 2]: The data will be transmitted when an additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter. [Strip Delimiter]: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining data will be transmitted. [Do Nothing]: The data will be transmitted when the Delimiter is received. Force transmit 0 to ms 0 ms Optional 0: Disable the force transmit timeout. 1 to 65535: Forces the NPort IA5150A/IA5250A s TCP/IP protocol software to try to pack serial data received during the specified time into the same data frame. This parameter defines the time interval during which the NPort IA5150A/IA5250A fetches the serial data from its internal buffer. If data is incoming through the serial port, the NPort IA5150A/IA5250A stores the data in the internal buffer. TheNPort IA5150A/IA5250A transmits data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time interval reaches the time specified under Force transmit timeout. The ideal Force transmit timeout depends on your application, but it must be at least larger than a single character interval within the specified baudrate. For example, assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to send a character is 10 bits, and the time required to transfer one character is (10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms. Therefore, you should set Force transmit timeout to be larger than 8.3 ms, so in this case, it must be greater than or equal to 10 ms. If the user wants to send a series of characters in the same packet, the serial device attached to the NPort IA5150A/IA5250A should send that series of characters during a time interval that is less than the Force transmit timeout for the NPort IA5150A/IA5250A, and the total length of data must be less than or equal to the NPort IA5150A/IA5250A s internal buffer size. The serial communication buffer size for NPort IA5150A/IA5250A is 1 KB per port. Local TCP port 1 to Required The Local TCP port is the TCP port that the NPort IA5150A/IA5250A uses to listen to connections, and that other devices must use to contact the NPort IA5150A/IA5250A. To avoid conflicts with well known TCP ports, the default is set to

45 Web Console Configuration Command port 1 to Optional The Command port is a listening TCP port that received IP-Serial Lib commands from the host. In order to prevent a TCP port conflict with other applications, the user can set the Command port to another port as needed. IP-Serial Lib will automatically check the Command Port on the NPort IA5150A/IA5250A so that users do not need to configure the program. TCP Client Mode TCP alive check time 0 to 99 min 7 min Optional 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A automatically closes the TCP connection if there is no TCP activity during this given time. Inactivity time 0 to ms 0 ms Optional 0 ms: TCP connection is not closed due to an idle serial line ms: The NPort IA5150A/IA5250A automatically closes the TCP connection if there is no serial data activity during the given time. 5-19

46 Web Console Configuration This parameter defines the maintenance status as Closed or Listen for the TCP connection. The connection is closed if there is no incoming or outgoing data through the serial port during the specific Inactivity time. If the Inactivity time is set to 0, the current TCP connection is kept active until a connection close request is received. Although Inactivity time is disabled, the NPort IA5450A will check the connection status between the NPort IA5450A and remote host by sending keep alive packets periodically. If the remote host does not respond to the packet, the NPort IA5450A assumes that the connection was closed down unintentionally. The NPort IA5450A will then force the existing TCP connection to close. ATTENTION The Inactivity time should be configured to be larger than the Force transmit timeout setting. To prevent the unintended loss of data due to the session disconnection, it is highly recommended that you set this value large enough so that the intended data transfer is completed. ATTENTION Inactivity time is ONLY active when TCP connect on is set to Any character. Ignore jammed IP No or Yes No Optional By default, when Max connection is greater than 1, and the serial device is transmitting data, if any one of the connected hosts is not responding, it will wait until the data has been transmitted successfully before transmitting the second group of data to all hosts.if you select Yes for Ignore jammed IP, the host that is not responding will be ignored, but the data will still be transmitted to the other hosts. Packing length 0 to Optional Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If the data length (in bytes) matches the configured value, the data will be forced out. The data length can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length. Delimiter 1 00 to FF (hex) None Optional Delimiter 2 00 to FF (hex) None Optional Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data currently in its buffer and sends it to the NPort IA5150A/IA5250A s Ethernet port. ATTENTION Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size of the serial data received is greater than 1 KB, the NPort IA5150A/IA5250A will automatically pack the data and send it to the Ethernet. However, to use the delimiter function, you must at least enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work properly. 5-20

47 Web Console Configuration Delimiter process Do Nothing, Delimiter + 1, Delimiter + 2, Strip Delimiter Do Nothing Optional Delimiter + 1 or Delimiter + 2: The data will be transmitted when an additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter. Strip Delimiter: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining data is transmitted. Do Nothing: The data will be transmitted when the Delimiter is received. Force transmit 0 to ms 0 ms Optional 0: Disable the force transmit timeout. 1 to 65535: Forces the NPort IA5450A s TCP/IP protocol software to try to pack serial data received during the specified time into the same data frame. This parameter defines the time interval during which the NPort IA5450A fetches the serial data from its internal buffer. If data is incoming through the serial port, the NPort IA5450A stores the data in the internal buffer. The NPort IA5450A transmits data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time interval reaches the time specified under Force transmit timeout. The optimal Force transmit timeout depends on your application, but it must be at least larger than one character interval within the specified baudrate. For example, assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to send a character is 10 bits, and the time required to transfer one character is (10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms. Therefore, you should set Force transmit timeout to be larger than 8.3 ms, so in this case, it must be greater than or equal to 10 ms. If the user wants to send a series of characters in the same packet, the serial device attached to the NPort IA5450A should send that series of characters during a time interval less than the Force transmit timeout for the NPort IA5450A, and the total length of data must be less than or equal to the NPort IA5450A s internal buffer size. The serial communication buffer size for the NPort IA5450A is 1 KB per port. Destination IP address 1/2/3/4 IP address or Domain None Required Name (E.g., ) Allows NPort IA5150A/IA5250A to connect actively to the remote host whose IP address is set by this parameter. ATTENTION Up to 4 connections can be established between the NPort IA5450A and hosts. The connection speed or throughput may be low if one of the four connections is slow, since one slow connection will slow down the other connections. 5-21

48 Web Console Configuration ATTENTION The Destination IP address parameter can use both IP address and Domain Name. For some applications, the user may need to send the data actively to the remote destination domain name. Designated Local Port 1/2/3/4 TCP Port No (Port 1) 5012 (Port 2) 5013 (Port 3) 5014 (Port 4) Required Connection control Startup/None, Any Character/None, Any Character/Inactivity Time, DSR ON/DSR OFF, DSR ON/None, DCD ON/DCD OFF, DCD ON/None Startup/None Required The meaning of each of the above settings is given in the table below. In general, both the Connect condition and Disconnect condition are given. Connect/Disconnect Startup/None (default) Any Character/None Any Character/ Inactivity Time DSR On/DSR Off DSR On/None DCD On/DCD Off DCD On/None Description A TCP connection will be established on startup, and will remain active indefinitely. A TCP connection will be established when any character is received from the serial interface, and will remain active indefinitely. A TCP connection will be established when any character is received from the serial interface, and will be disconnected when the Inactivity time out is reached. A TCP connection will be established when a DSR On signal is received, and will be disconnected when a DSR Off signal is received. A TCP connection will be established when a DSR On signal is received, and will remain active indefinitely. A TCP connection will be established when a DCD On signal is received, and will be disconnected when a DCD Off signal is received. A TCP connection will be established when a DCD On signal is received, and will remain active indefinitely. 5-22

49 Web Console Configuration UDP Mode Packing length 0 to Optional Default = 0, The Delimiter Process will be followed, regardless of the length of the data packet. If the data length (in bytes) matches the configured value, the data will be forced out. The data length can be configured for 0 to 1024 bytes. Set to 0 if you do not need to limit the length. Delimiter 1 00 to FF None Optional Delimiter 2 00 to FF None Optional Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data currently in its buffer and sends it out the NPort IA5150A/IA5250A s Ethernet port. ATTENTION Delimiter 2 is optional. If left blank, then Delimiter 1 alone trips clearing of the buffer. If the size of the serial data received is greater than 1 KB, the NPort IA5150A/IA5250A will automatically pack the data and send it to the Ethernet. However, to use the delimiter function, you must at least enable Delimiter 1. If Delimiter 1 is left blank and Delimiter 2 is enabled, the delimiter function will not work properly. Delimiter process Do Nothing, Delimiter + 1, Delimiter + 2, Strip Delimiter Do Nothing Optional 5-23

50 Web Console Configuration Delimiter + 1 or Delimiter + 2: The data will be transmitted when an additional byte (for Delimiter +1), or an additional 2 bytes (for Delimiter +2) of data is received after receiving the Delimiter. Strip Delimiter: When the Delimiter is received, the Delimiter is deleted (i.e., stripped), and the remaining data is transmitted. Do Nothing: The data will be transmitted when the Delimiter is received. Force transmit 0 to ms 0 ms Optional 0: Disable the force transmit timeout. 1 to 65535: Forces the NPort IA5450A s TCP/IP protocol software to try to pack serial data received during the specified time into the same data frame. This parameter defines the time interval during which the NPort IA5450A fetches the serial data from its internal buffer. If data is incoming through the serial port, the NPort IA5450A stores the data in the internal buffer. The NPort IA5450A transmits data stored in the buffer via TCP/IP, but only if the internal buffer is full or if the Force transmit time interval reaches the time specified under Force transmit timeout. The optimal Force transmit timeout depends on your application, but it must be at least larger than one character interval within the specified baudrate. For example, assume that the serial port is set to 1200 bps, 8 data bits, 1 stop bit, and no parity. In this case, the total number of bits needed to send a character is 10 bits, and the time required to transfer one character is (10 (bits) / 1200 (bits/s)) * 1000 (ms/s) = 8.3 ms. Therefore, you should set Force transmit timeout to a value larger than 8.3 ms, so in this case, it must be greater than or equal to 10 ms. If the user wants to send a series of characters in the same packet, the serial device attached to the NPort IA5450A should send that series of characters during a time interval less than the Force transmit timeout for the NPort IA5450A, and the total length of data must be less than or equal to the NPort IA5450A s internal buffer size. The serial communication buffer size for the NPort IA5450A is 1 KB per port. Destination IP address 1 IP address range Begin: Empty Required E.g., Begin: End: Empty End: Port: 4001 Destination IP address 2/3/4 IP address range Begin: Empty Optional E.g., Begin: End: Empty End: Port: 4001 Local listen port 1 to Required The UDP port that NPort IA5150A/IA5250A listens to, and that other devices must use to contact NPort IA5150A/IA5250A. To avoid conflicts with well known UDP ports, the default is set to

51 Web Console Configuration UDP Multicast A multicast is a packet sent by one host to multiple hosts. In multicast, each host that belongs to a specific multicast group will receive multicast packets for that group. To configure a host as a multicast receiver over the Internet, it must inform the routers on its LAN. The Internet Group Management Protocol (IGMP) is used to communicate group membership information between hosts and routers on a LAN. NPort IA5150A/IA5250A supports IGMP version 2. You could key in the IP (ex ) that multicast group assigned into the column of Destination IP address, and next, NPort would automatically add the Group, receiving all packets from this group in order to fulfill the function of multicast. Pair Connection Mode Pair Connection Master Mode When you select Pair Connection Master Mode for the Operation mode of one of the NPort IA5150A/IA5250A device servers this NPort IA5150A/IA5250A will be acting as a TCP client. TCP alive check time 0 to 99 min 7 min Required 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A closes the TCP connection automatically if there is no TCP activity for the given time. 5-25

52 Web Console Configuration Destination IP address IP address or Domain Name blank Optional (E.g., ) TCP port No Required The Pair Connection Master will contact the network host that has this IP address. Data will be transmitted through the port No. (4001 by default). Note that you must configure the same TCP port No. for the device server acting as the Pair Connection Slave. Pair Connection Slave Mode When you select Pair Connection Slave Mode for the Operation mode of one of the NPort IA5150A/IA5250A device servers this NPort IA5150A/IA5250A will be acting as a TCP server. TCP alive check time 0 to 99 min 7 min Required 0 min: TCP connection is not closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A closes the TCP connection automatically if there is no TCP activity for the given time. Local TCP port TCP port No. (e.g., 4001) 4001 Required This Port No. must be the same port No. that you set up for the Pair Connection Master device server Ethernet Modem Mode 5-26

53 Web Console Configuration Dial-in The NPort IA5150A/IA5250A listens for a TCP/IP connection request from the remote Ethernet modem or host. NPort IA5150A/IA5250A s response depends on the ATS0 value, as outlined below. ATS0=0 (default): The NPort IA5150A/IA5250A will temporarily accept the TCP connection and then send the RING signal out through the serial port. The serial controller must reply with ATA within 2.5 seconds to accept the connection request, after which NPort IA5150A/IA5250A enters data mode. If no ATA command is received, NPort IA5150A/IA5250A will disconnect after sending three RING signals. ATS0 1: The NPort IA5150A/IA5250A will accept the TCP connection immediately and then send the CONNECT <baud> command to the serial port, in which <baud> represents the baudrate of the NPort IA5150A/IA5250A s serial port. After that, the NPort IA5150A/IA5250A immediately enters data mode. Dial-out The NPort IA5150A/IA5250A accepts the AT command ATD <IP>:<TCP port> from the serial port and then requests a TCP connection from the remote Ethernet Modem or PC. This is where <IP> is the IP address of the remote Ethernet modem or PC, and <TCP port> is the TCP port number of the remote Ethernet modem or PC. Once the remote unit accepts this TCP connection, the NPort IA5150A/IA5250A will send out the CONNECT <baud> signal via the serial port and then enter data mode. Disconnection request from local site When the NPort IA5150A/IA5250A is in data mode, the user can drive the DTR signal to OFF, or send +++ from the local serial port to the NPort IA5150A/IA5250A. The NPort IA5150A/IA5250A will enter command mode and return NO CARRIER via the serial port, and then input ATH to shut down the TCP connection after 1 second. NOTE The +++ command cannot be divided. The + character can be changed in register S2, and the guard time, which prefixes and suffixes the +++ in order to protect the raw data, can be changed in register S12. After the TCP connection has been shut down by the remote Ethernet modem or PC, the NPort IA5150A/IA5250A will send the NO CARRIER signal via the serial port and then return to command mode. AT Commands The NPort IA5150A/IA5250A supports the following common AT commands used with a typical modem: No. AT command Description Remarks 1 ATA Answer manually 2 ATD <IP>:<Port> Dial up the IP address: Port No. 3 ATE ATE0=Echo OFF ATE1=Echo ON (default) 4 ATH ATH0=On-hook (default) ATH1=Off-hook 5 ATI, ATI0, ATI1, ATI2 Modem version reply OK only 6 ATL Speaker volume option reply OK only 7 ATM Speaker control option reply OK only 8 ATO On line command 9 ATP, ATT Set Pulse/Tone Dialing mode reply OK only 10 ATQ0, ATQ1 Quiet command (default=atq0) 11 ATSr=n Change the contents of S register See S registers 12 ATSr? Read the contents of S register See S registers 13 ATV Result code type ATV0 for digit code ATV1 for text code 0=OK 5-27

54 Web Console Configuration 1=connect (default) 2=ring 3=No carrier 4=error 14 ATZ Reset (disconnect, enter command mode and restore the flash settings) 15 AT&C Serial port DCD control AT&C0=DCD always on AT&C1=DTE detects connection by DCD on/off (default) 16 AT&D Serial port DTR control AT&D0=recognize DTE always ready AT&D1, AT&D2=reply DTE when DTR On (default) 17 AT&F Restore manufacturer s settings 18 AT&G Select guard time reply OK only 19 AT&R Serial port RTS option command reply OK only 20 AT&S Serial port DSR control reply OK only 21 AT&V View settings 22 AT&W Write current settings to flash for next boot up S Registers No. S Register Description & default value Remarks 1 S0 Ring to auto-answer (default=0) 2 S1 Ring counter (always=0) no action applied 3 S2 Escape code character (default=43 ASCII + ) 4 S3 Return character (default=13 ASCII) 5 S4 Line feed character (default=10 ASCII) 6 S5 Backspace character (default= 8 ASCII) 7 S6 Wait time for dial tone (always=2, unit=sec) no action applied 8 S7 Wait time for carrier (default=3, unit=sec) 9 S8 Pause time for dial delay (always=2, unit=sec) no action applied 10 S9 Carrier detect response time (always=6, unit 1/10 sec) no action applied 11 S10 Delay for hang up after carrier no action applied (always=14, unit 1/10 sec) 12 S11 DTMF duration and spacing (always=100 ms) no action applied 13 S12 Escape code guard time (default=50, unit 1/50 sec) to control the idle time for +++ TCP alive check time 0 to 99 min 7 min Required 0 min: The TCP connection will not be closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A closes the TCP connection automatically if there is no TCP activity for the given time. Local TCP port 1 to Required The TCP port that other devices must use to contact this device. To avoid conflicts with standard TCP ports, the default is set to

55 Web Console Configuration Reverse Telnet Mode TCP alive check time 0 to 99 min 7 min Optional 0 min: The TCP connection will not be closed due to an idle TCP connection. 1 to 99 min: The NPort IA5150A/IA5250A automatically closes the TCP connection if there is no TCP activity for the given time. Inactivity time 0 to ms 0 Optional Idle time setting for auto-disconnection. 0 min. means it will never disconnect. Local TCP port 1 to Required Each of the NPort IA5150A/IA5250A s serial ports is mapped to a TCP port. To avoid conflicts with common TCP port numbers, set port numbers to 4001 for port 1, 4002 for port 2, etc. Map <CR-LF> CR, LF, or CR-LF CR-LF Required If data received through the NPort IA5150A/IA5250A s Ethernet port is sent using the enter command, the data will be transmitted out the serial port with an added carriage return + line feed if you select the <CR-LF> option (i.e., the cursor will jump to the next line, and return to the first character of the line) carriage return if you select the <CR> option (i.e., the cursor will return to the first character of the line) line feed if you select the <LF> option. (i.e., the cursor will jump to the next line, but not move horizontally) 5-29

56 Web Console Configuration Disabled Mode When Operation mode is set to Disabled, that particular port will be disabled. Check the Apply the above settings to all serial ports to apply this setting to the other port. Accessible IP Settings The NPort IA5150A/IA5250A uses an IP address based filtering method to control access to itself. Accessible IP Settings allows you to add or block remote host IP addresses to prevent unauthorized access. Access to the NPort IA5150A/IA5250A is controlled by IP address. That is, if a host s IP address is in the accessible IP table, then the host will be allowed to access the the NPort IA5150A/IA5250A. You can allow one of the following cases by setting the parameter. Only one host with a specific IP address can access the NPort IA5150A/IA5250A Enter IP address/ (e.g., / ). Hosts on a specific subnet can access the NPort IA5150A/IA5250A Enter IP address/ (e.g., / ). Any host can access the NPort IA5150A/IA5250A Disable this function by un-checking the Enable the accessible IP list checkbox. Refer to the following table for more configuration examples. 5-30

57 Web Console Configuration Allowable Hosts Input format Any host Disable / to / to / to / to / Auto Warning Settings Auto warning: and SNMP trap Mail Server Mail server IP Address or Domain None Optional Name User name 1 to 15 characters None Optional Password 1 to 15 characters None Optional From address 1 to 63 characters None Optional address 1/2/3/4 1 to 63 characters None Optional 5-31

58 Web Console Configuration ATTENTION Consult your Network Administrator or ISP for the proper mail server settings. The Auto warning function may not work properly if it is not configured correctly. The NPort IA5150A/IA5250A SMTP AUTH supports LOGIN, PLAIN, CRAM-MD5 (RFC 2554). SNMP Trap Server SNMP trap server IP or domain name IP address or Domain Name None Optional Event Type Cold start This refers to starting the system from power off (contrast this with warm start). When performing a cold start, the NPort IA5150A/IA5250A will automatically issue an Auto warning message by , or send an SNMP trap after booting up. Warm start This refers to restarting the computer without turning the power off. When performing a warm start, the NPort IA5150A/IA5250A will automatically send an , or send an SNMP trap after rebooting. Authentication failure The user inputs a wrong password from the Console or Administrator. When authentication failure occurs, the NPort will immediately send an or send an SNMP trap. 5-32

59 Web Console Configuration IP address changed The user has changed the NPort IA5150A/IA5250A s IP address. When the IP address changes, the NPort IA5150A/IA5250A will send an with the new IP address before the NPort IA5150A/IA5250A reboots. If the NPort IA5150A/IA5250A is unable to send an message to the mail server within 15 seconds, the NPort IA5150A/IA5250A will reboot anyway, and abort the auto warning. Password changed The user has changed the NPort IA5150A/IA5250A s password. When the password changes, the NPort IA5150A/IA5250A will send an with the password changed notice before the NPort IA5150A/IA5250A reboots. If the the NPort IA5150A/IA5250A is unable to send an message to the mail server within 15 seconds, the NPort IA5150A/IA5250A will reboot anyway, and abort the auto warning. Power failure We provide two DC power inputs for redundancy. The NPort IA5150A/IA5250A Series supports different approaches to warn engineers automatically, such as by or relay output. Users can connect to Monitor -> Relay Output from the web console to check what event causes the warning. The relay output will be canceled after the power recovers, or by selecting acknowledge event using the web console or Telnet. When the Relay Output is sending a warning, the Ready LED will flash red until the warning event ceases. Ethernet link down The NPort IA5150A/IA5250A Series provides system maintainers with real-time alarm messages for Ethernet link down. Even when control engineers are out of the control room for an extended period of time, they can still be informed of the status of devices almost instantaneously when exceptions occur. The NPort IA5150A/IA5250A Series supports different methods for warning engineers automatically, such as by , SNMP trap, and relay output. Users can connect to Monitor -> Relay Output from the web console to check which Ethernet port is causing the warning. The relay output will be canceled if the failed Ethernet link is restored, or by selecting Acknowledge Event from the web console or Telnet. When the Relay Output is issuing a warning, the Ready LED will flash in red until the warning event ceases. DCD changed The DCD (Data Carrier Detect) signal has changed, also indicating that the modem connection status has changed. For example, a DCD change to high also means Connected between local modem and remote modem. If the DCD signal changes to low, it also means that the connection line is down. When the DCD changes, the NPort IA5150A/IA5250A will immediately send an , send an SNMP trap,or trigger the relay output.. DSR changed The DSR (Data Set Ready) signal has changed, also indicating that the data communication equipment s power is off. For example, a DSR change to high also means that the DCE is powered ON. If the DSR signal changes to low, it also means that the DCE is powered off. When the DSR changes, the NPort IA5150A/IA5250A will immediately send an , send an SNMP trap, or trigger the relay output. Mail Enable, Disable Disable Optional This feature helps the administrator manage how the NPort IA5150A/IA5250A sends to pre-defined boxes when the enabled events such as Cold start, Warm start, Authentication failure, etc. occur. To configure this feature, click the Event Type Mail checkbox. Trap Enable, Disable Disable Optional 5-33

60 Web Console Configuration This feature helps the administrator manage how the NPort IA5150A/IA5250A sends SNMP Trap to a pre-defined SNMP Trap server when the enabled events such as Cold start, Warm start, Authentication failure, etc. occur. To configure this feature, click the Event Type Trap checkbox. Upgrade Firmware Keep your NPort IA5150A/IA5250A up to date with the latest firmware from Moxa. Occasionally, compare your NPort firmware to the version currently available at the Moxa website (www.moxa.com), If there is a new firmware version, you can download it and click Import to upgrade your firmware. Monitor Monitor Line Click Line under Monitor to show the operation mode and status of each TCP/IP connection (IPx) for the serial ports. 5-34

61 Web Console Configuration Monitor Async Click Async under Monitor to show the current status of the serial port. Monitor Async-Settings Click Async Setting under Monitor to show the run-time settings for the serial port. 5-35

62 Web Console Configuration Monitor Relay Output Click Relay Output under Monitor to show the current status of the relay output. To cease the Relay Output warning, click on the Acknowledge Event button. Change Password Input the Old password and New password to change the password. Leave the password boxes blank to erase the password. If the password is erased, then NPort IA5150A/IA5250A will not have password protection. ATTENTION If you forget the password, the ONLY way to configure NPort IA5150A/IA5250A is by using the "Reset to default" button on NPort IA5150A/IA5250A s top side to Load Factory Default. Remember to export the configuration file when you finish the configuration. By using the Import function your configuration can be re-loaded into NPort IA5150A/IA5250A after using Load Factory Default. 5-36

63 Web Console Configuration Load Factory Default This function will reset all of NPort IA5150A/IA5250A s settings to the factory default values. Be aware that previous settings will be lost. Save/Restart Click Save/Restart will save the current configured settings and restart NPort IA5150A/IA5250A to take effect. 5-37

64 6. Configuring 6 NPort Administrator The following topics are covered in this chapter: Overview Installing NPort Administrator Configuration Broadcast Search Unlock Password Protection Configuring the NPort IA5150A/IA5250A Upgrading the Firmware Export Configuration Import Configuration Monitor Port Monitor COM Mapping On-line COM Mapping Off-line COM Mapping COM Grouping Creating a COM Group Deleting a COM Group Adding a Port to a COM Group Removing a Port from a COM Group Modify Ports in a COM Group Changing the COM Number of a COM Group Changing Advanced Settings and Serial Parameters of the COM Group Changing the Serial Port Specified as Signal Port for the COM Group IP Address Report

65 Configuring NPort Administrator Overview NPort Administrator lets you install and configure your NPort IA5150A/IA5250A Series products easily over the network. Five function groups are provided to ease the installation process, allow off-line COM mapping, and provide monitoring and IP location server functions. NPort Administrator is an integrated software suite that bundles NPort Administrator and the IP Serial Library, and provides everything you need to manage, monitor, and modify your NPort IA5150A/IA5250A from a remote location. In this chapter, all the figures are captured by NPort IA5450A Series for demonstration. Installing NPort Administrator 1. Once the Setup program starts running, click Next when the Welcome window opens to proceed with the installation. 2. Click Next to install program files in the default directory, or select an alternative location. 3. Click Next to install the program using the default program name, or select a different name. 6-2

66 Configuring NPort Administrator 4. Click Install to proceed with the installation. 5. The Installing window reports the progress of the installation. 6. Click Next to proceed with the installation. 7. Click Finish to complete the installation of NPort Administration Suite. 6-3

67 Configuring NPort Administrator Configuration The Administrator-Configuration window is divided into four parts. The top section contains the function list and online help area. (Windows NT does not support this.chm file format.) The five Administrator function groups are listed in the left section. A list of NPort IA5150A/IA5250A serial device servers, each of which can be selected to process user requirements, is displayed in the right section. The activity Log, which displays messages that record the user s processing history, is shown in the bottom section. Broadcast Search The Broadcast Search function is used to locate all NPort IA5150A/IA5250As that are connected to the same LAN as your computer. Since the Broadcast Search function searches by MAC address and not IP address, all NPort IA5150A/IA5250As connected to the LAN will be located, regardless of whether or not they are part of the same subnet as the host. 1. Position the cursor in the right middle section of the Administrator window and then click the right mouse button. 6-4

68 Configuring NPort Administrator 2. The Broadcast Search window will open and display the Model, IP Address, MAC Address, and Progress of the search for that particular device. 3. When the search is complete, the Broadcast Search window will close, and the NPort IA5150A/IA5250As that were located will be displayed in the right pane of the Administrator window. If you found more than one server connected to this network, refer to the MAC address sticker on your server(s) to determine which server(s) are the ones you wish to configure. To configure an NPort IA5150A/IA5250A, place the cursor over the row displaying that NPort IA5150A/IA5250A s information, and then double click the left mouse button. ATTENTION Before modifying the NPort IA5150A/IA5250A s configuration, use Broadcast Search to locate all NPort IA5150A/IA5250As connected to the LAN, or use Specify by IP Address to locate a particular NPort IA5150A/IA5250A. Unlock Password Protection If the NPort IA5150A/IA5250A is password protected (indicated by Lock for Status), you will receive the following error, and you will not be able to use the right click method to open the configuration page. In this case, proceed as follows to Unlock the device server. 1. Select the NPort IA5150A/IA5250A with Lock status, click the right mouse button, and then select Unlock. 6-5

69 Configuring NPort Administrator 2. After inputting the correct password, the Administrator will display an Unlock ok message. 3. The Lock status will change to Unlock, and the Administrator utility will keep this NPort IA5150A/IA5250A in the Unlock status throughout this Administrator session. The meanings of the six Status states are given below (note that the term Fixed is borrowed from the standard fixed IP address networking terminology): Lock The NPort IA5150A/IA5250A is password protected, Broadcast Search was used to locate it, and the password has not yet been entered from within the current Administrator session. Unlock The NPort IA5150A/IA5250A is password protected, Broadcast Search was used to locate it, and the password has been entered from within the current Administrator session. Henceforth during this Administrator session, activating various utilities for this NPort IA5150A/IA5250A will not require re-entering the server password. Blank The NPort IA5150A/IA5250A is not password protected, and Broadcast Search was used to locate it. Fixed The NPort IA5150A/IA5250A is not password protected, and Search by IP address was used to locate it. Lock Fixed The NPort IA5150A/IA5250A is password protected, Specify by IP address was used to locate it, and the password has not yet been entered from within the current Administrator session. Unlock Fixed The NPort IA5150A/IA5250A is password protected, Specify by IP address was used to locate it, and the password has been entered from within the current Administrator session. Henceforth during this Administrator session, activating various utilities for this NPort IA5150A/IA5250A will not require re-entering the server password. Configuring the NPort IA5150A/IA5250A In this section, we illustrate how to access the NPort IA5150A/IA5250A s configuration utility. You should first make sure that you can connect over the network from your computer to the NPort IA5150A/IA5250A. 1. To start NPort Administrator, click Start NPort Administration Suite NPort Administrator. 6-6

70 Configuring NPort Administrator 2. Unlock the NPort IA5150A/IA5250A you wish to configure if it is password protected. Right click the NPort IA5150A/IA5250A and select Configure to start the configuration. 3. The progress bar shows that Administrator is retrieving configuration information from the specific NPort IA5150A/IA5250A. 4. Refer to Chapter 5 for each parameter s function definition. To modify the configuration, you must first click in the modify box to activate the parameter setting box. ATTENTION You can simultaneously modify the configurations of multiple NPort IA5150A/IA5250As that are of the same model. To select multiple NPort IA5150A/IA5250As, hold down the Ctrl key when selecting additional NPort IA5150A/IA5250As, or hold down the Shift key to select a group of NPort IA5150A/IA5250As. Upgrading the Firmware Follow these steps to upgrade the firmware of an NPort IA5150A/IA5250A. 1. To start NPort Administrator, click Start NPort Administration Suite NPort Administrator. 6-7

71 Configuring NPort Administrator 2. Unlock the NPort IA5150A/IA5250A you wish to configure if it is password protected. Right click a specific NPort IA5150A/IA5250A and select the Upgrade Firmware function to start upgrading the firmware. 3. Select the correct ROM file to download. 4. Wait while the Upgrade Firmware action is processed. ATTENTION You can simultaneously upgrade the firmware of multiple NPort IA5150A/IA5250As that are of the same model. To select multiple NPort IA5150A/IA5250As, hold down the Ctrl key when selecting an additional NPort IA5150A/IA5250A, or hold down the Shift key to select a block of NPort IA5150A/IA5250As. Export Configuration To export the configuration of an NPort IA5150A/IA5250A, right click the NPort IA5150A/IA5250A, select Export Configuration, and then follow the onscreen instructions. The Export Configuration function is a handy tool that can be used to produce a text file containing the current configuration of a particular NPort IA5150A/IA5250A. 6-8

72 Configuring NPort Administrator Import Configuration The Import Configuration function is used to import an NPort IA5150A/IA5250A configuration from a file into one or more of the same model NPort IA5150A/IA5250A. To import a configuration, first select the target servers, click the right mouse button, and then select Import Configuration. Follow the onscreen instructions to locate the configuration file and start downloading the file. ATTENTION You can simultaneously import the same configuration file into multiple NPort IA5150A/IA5250As that are of the same model. To select multiple NPort IA5150A/IA5250As, hold down the Ctrl key when selecting an additional NPort IA5150A/IA5250A, or hold down the Shift key to select a block of NPort IA5150A/IA5250As. Monitor Use following method to start the Monitor function. Broadcast Search Monitor Add Target 1. With Configuration selected under Function, use Broadcast Search to locate all NPorts on your LAN. 2. Next, click Monitor Add Target and select your targets from the list, and then click OK. Once the Monitor function is running: 6-9

73 Configuring NPort Administrator 3. The NPort IA5150A/IA5250A list will appear on the Monitor screen. 4. Right click the panel and select Settings. 5. Select or de-select Monitor Items. Use the single arrowhead buttons to move highlighted items from one box to the other. Use the double arrowhead buttons to move all items in one box to the other. 6. Select a Refresh Rate (the default is 3 seconds) on the General Settings page. 7. On the Advanced Settings page, select Display warning message for new event and/or Play warning music for new event. In the second case, you must enter the path to the WAV file that you want to be played. New event means that one of the NPort IA5150A/IA5250As in the monitor is Alive or Not 6-10

74 Configuring NPort Administrator Alive, or has lost connection with the Monitor program. 8. Right click in the NPort IA5150A/IA5250A list section and select Go to start Monitoring the NPort IA5150A/IA5250A. 9. For this example, the NPort IA5150A/IA5250As shown in the list will be monitored. 10. When one of the NPort IA5150A/IA5250As loses connection with the Monitor program, a warning alert will display automatically. The warning music will be played at the same time. 11. In the Monitor screen, you can see that the NPort IA5150A/IA5250As that are Not Alive are shown in red color. 6-11

75 Configuring NPort Administrator 12. If the NPort IA5150A/IA5250A gets reconnected, a warning will be displayed to remind the user that the NPort IA5150A/IA5250A is now Alive. 13. The NPort IA5150A/IA5250As that were reconnected, and are now Alive, will be shown in black color. Port Monitor The process described here is the same as in the previous Monitor section. The only difference is that you can select more items under Port Monitor than under Monitor. Select or de-select Monitor Items. Use the single arrowhead buttons to move highlighted items from one box to the other. Use the double arrowhead buttons to move all items in one box to the other. COM Mapping Windows Administration Suite comes with Windows 95/98/ME/NT/2000/XP/7 Real COM drivers. After you install NPort Administration Suite, there are two ways to set up the NPort IA5150A/IA5250A serial port as your host s remote COM port. The first way is with On-line COM Mapping. On-line COM Mapping will check to make sure that the NPort IA5150A/IA5250A is connected correctly to the network and then install the driver on the host computer. 6-12

76 Configuring NPort Administrator The second way is with Off-line COM Installation, without first connecting the NPort IA5150A/IA5250A to the network. Off-line COM Mapping can decrease the system integrator s effort by solving different field problems. Via off-line installation, users can first process software installation for the host, and then install the NPort IA5150A/IA5250A to different fields. Use the following procedure to map COM ports: 1. On-line COM Mapping: Connect NPort IA5150A/IA5250A to the network Set NPort IA5150A/IA5250A to the proper IP address Map COMs to your host Apply Change. 2. Off-line COM Mapping: Map COMs to your host Apply Change Connect the NPort IA5150A/IA5250A to the network Configure NPort IA5150A/IA5250A s IP address. On-line COM Mapping 1. Broadcast Search for NPort IA5150A/IA5250As on the network. 2. Select the COM Mapping function group. 3. Add the target to which you would like to map COM ports. 4. The NPort IA5150A/IA5250A list that appears is the list generated by the previous Broadcast Search. Select the NPort IA5150A/IA5250A to which you would like to map COM ports. 5. Select COM Settings to modify COM No., default setting, etc. 6-13

77 Configuring NPort Administrator 6. Select the COM Number. COM ports that are In use or Assigned will also be indicated in this drop-down list. If you select multiple serial ports or multiple NPort IA5150A/IA5250As, remember to check the Auto Enumerating function to use the COM No. you select as the first COM No. Hi-performance mode is the default for Tx mode. If the driver completes sending data out to the NPort IA5150A/IA5250A, the driver will respond Tx Empty to the program. Under classical mode, the driver will not notify the user s program that Tx is completed until all Tx data has been sent out from the NPort IA5150A/IA5250A; this mode will cause lower throughput. If you want to ensure that all data is sent out before further processing, classical mode is recommended. Enable/Disable Tx/Rx FIFO. If disabled, the NPort IA5150A/IA5250A will send one byte each time the Tx FIFO becomes empty; and an Rx interrupt will be generated for each incoming byte. This will result in a faster response and lower throughput. If you want to use XON/XOFF flow control, we recommend setting FIFO to Disable. Fast Flush (only flush local buffer) For some applications, the user s program will use the Win32 PurgeComm() function before it reads or writes data. With our design, after the program uses this Purge Comm() function, the NPort driver will keep querying the NPort s firmware several times to make sure there is really no data queued in the NPort firmware buffer, rather than just flushing the local buffer. This kind of design is used because of some special considerations. However, it might take more time (on the order of several hundred milliseconds) than a native COM1, because it needs to work via Ethernet. That s why the native COM ports on the motherboard can work fast with this function call, but the NPort requires much more time. In order to accommodate other applications that require a faster response time, the new NPort driver implements a new Fast Flush option. Note that by default, this function is disabled. To begin with, make sure there are some PurgeComm() functions being used in your application program. In this kind of situation, you might find that your NPort exhibits a much poorer operation performance than when using the native COM1 port. Once you have enabled the Fast Flush function, you can check to see if there has been an improvement in performance. By default, the optional Fast Flush function is disabled. If you would like to enable this function, from the NPort Administrator, double click the COM ports that are mapped to the NPort, and then select the Fast Flush checkbox. You should find that when Fast Flush is enabled, the NPort driver will work faster with PurgeComm(). 6-14

78 Configuring NPort Administrator 7. The Serial Parameter settings shown here are the default settings when the NPort IA5150A/IA5250A is powered on. However, the program can redefine the serial parameters to different values after the program opens the port via API. 8. After setting the COM Mapping, remember to select Apply Change to save the information in the host system registry. The host computer will not have the ability to use the COM port until after Apply Change is selected. 9. Select Discard Change to tell Administrator NOT to save the COM Mapping information to the host. 6-15

79 Configuring NPort Administrator 10. To save the configuration to a text file, select Export COM Mapping. You will then be able to import this configuration file to another host and use the same COM Mapping settings in the other host. Off-line COM Mapping 1. Add a target by inputting the IP address and selecting the Model Name without physically connecting the NPort IA5150A/IA5250A to the network. 2. Modify the port settings as needed. 3. Right click in the NPort list section and select Apply Change. 6-16

80 Configuring NPort Administrator COM Grouping The COM Grouping function is designed to simulate the multi-drop behavior of serial communication over an Ethernet network. COM Grouping allows you to create a COM Group and redirect data from it to several physical COM ports on NPort device servers. With COM Grouping, you will be able to control multiple physical serial ports simultaneously by operating only one COM port. Creating a COM Group Follow the steps below to add multiple COM ports into one group: 1. Select serial port(s) for the group that you are going to create, and right-click to select COM Settings. 2. Select a COM number for this COM group. You may select one of the ports already assigned to a member of the COM Group. However, once the COM Group is configured, all of the original COM number(s) within the group will be released simultaneously. 6-17

81 Configuring NPort Administrator ATTENTION The COM Grouping function only supports Windows NT, 2000, and later. The maximum number of ports for each group is Select the Grouping selected port(s) together checkbox. 4. On the COM Grouping page, you can set Read and Write permissions for every serial port. It is necessary to set Signal Status in order to control the data transmission with specified control signals (e.g., DTR/RTS). You can assign one serial port whose signals will be taken into account by the COM Group. 6-18

82 Configuring NPort Administrator 5. Click OK, and confirm that the serial ports that were assigned. The COM Port column confirms that your selected ports are labeled as part of a Group. You will be able to view the serial ports that were assigned to and removed from the Group. Click Apply to apply the settings. 6. Finally, click Yes to confirm. Deleting a COM Group Follow the steps below to delete a COM Group and then auto-assign COM numbers for each port in the Group: 1. Select all serial ports in the Group you are deleting and then right-click to select COM Settings. 6-19

83 Configuring NPort Administrator 2. Select a COM number for this COM group and check the Auto enumerating COM number for selected ports to use the COM number you select as the first starting COM number, and then click OK. 3. You will be able to view the serial ports that were assigned to and removed from the Group. Click Apply to apply the settings. 4. Finally, click Yes to confirm. 6-20

84 Configuring NPort Administrator Adding a Port to a COM Group Follow the steps below to add a serial port into an existing COM Group: 1. Select the serial port that you are adding and right-click to select COM Settings. 2. Select the COM number of the COM Group you are adding and check mark the Grouping selected port(s) together check box and then click OK. 6-21

85 Configuring NPort Administrator 3. You will be able to view the serial ports that were assigned to and removed from the Group. Click Apply to apply the settings. 4. Finally, click Yes to confirm. Removing a Port from a COM Group Follow the steps below to remove a serial port from a COM Group: 1. Select a serial port in the Group and right-click to select COM Settings. 6-22

86 Configuring NPort Administrator 2. Select a COM number that is not in use or assigned to a Group and click OK. 3. You will be able to view the serial ports that were assigned to and removed from the Group. Click Apply to apply the settings. 4. Finally, click Yes to confirm. 6-23

87 Configuring NPort Administrator Modify Ports in a COM Group In the following subsections we examine three ways in which the serial ports in a COM Group can be modified: Changing the COM Number of a COM Group 1. Select all serial ports in the Group and right-click to select COM Settings. 2. Select a COM number that is not in use or assigned to a Group. 6-24

88 Configuring NPort Administrator 3. Select the Grouping selected port(s) together checkbox and then click OK. 4. You will be able to view the serial ports that were assigned to and removed from the Group. Click Apply to apply the settings. 5. Finally, click Yes to confirm. 6-25

89 Configuring NPort Administrator Changing Advanced Settings and Serial Parameters of the COM Group 1. Check the port specified on the COM Grouping page as the signal port. 2. Select the Signal Status controlled port and then right-click and select COM Settings. 6-26

90 Configuring NPort Administrator 3. The Advanced Settings and Serial Parameters pages will be available for modification. 6-27

91 Configuring NPort Administrator Changing the Serial Port Specified as Signal Port for the COM Group 1. Selecta serial port in the Group and then right-click and select COM Settings. 2. Check the Grouping selected port(s) together check box. 6-28

92 Configuring NPort Administrator 3. On COM Grouping page, you can specify one serial port whose signals will be taken into account by the COM Group and change the Read/Write status for each serial port. IP Address Report When NPort IA5150A/IA5250A is used in a dynamic IP environment, users must spend more time with IP management tasks. NPort IA5150A/IA5250A Series products help out by periodically reporting their IP address to the IP location server, in case the dynamic IP has changed. 1. Configure the NPort IA5150A/IA5250A with Dynamic IP settings (DHCP, BOOTP, or DHCP/BOOTP). Assign the remote Auto IP report server s IP address and UDP port. 6-29

93 Configuring NPort Administrator 2. Select the IP Address Report, and click the right mouse button to select Settings. 3. Configure the Local Listen Port to be the same as the NPort IA5150A/IA5250A s Auto report to UDP port setting. 4. Click Go to start receiving the Auto IP address report from the NPort IA5150A/IA5250A. 6-30

94 7. IP 7 Serial LIB The following topics are covered in this chapter: Overview IP Serial LIB Function Groups Example Program

95 IP Serial LIB Overview What is IP Serial Library? IP Serial Library is a Windows library with frequently used serial command sets and subroutines. IP Serial Library is designed to reduce the complexity and poor efficiency of serial communication over TCP/IP. For example, Telnet can only transfer data, but it can't monitor or configure the serial line s parameters. Why Use IP Serial Library? For programmers who are familiar with serial communication, IP Serial Library provides well-designed function calls that have the same style as Moxa s PComm Library. IP Serial Library is amazingly simple and easy to understand. By including it in your VB, C, or Delphi programming environment, you can program your own TCP/IP application with the ability to control serial communication parameters. NPort IA5150A/IA5250A serial device servers use 2 TCP ports for communication between the NPort IA5150A/IA5250A and host computer s Real COM driver. The NPort IA5150A/IA5250A uses a data port and command port to provide pure data transfer without decode and encode. Compared to using only one TCP port to control serial communication (such as RFC2217), IP Serial Library uses a command port to communicate with the NPort IA5150A/IA5250A in user s program. IP Serial Library not only runs with excellent efficiency but also runs without any decode or encode problems. How to install IP Serial Library? IP Serial Lib comes with the NPort IA5150A/IA5250A Administration Suite. Refer to the IP Serial directory for more detail about the function definitions. IP Serial LIB Function Groups Server Control Port Control Input/Output Data Port Status Inquiry Miscellaneous nsio_init nsio_end nsio_open nsio_close nsio_read nsio_setreadtimeouts nsio_lstatus nsio_data_status nsio_break nsio_break_on nsio_resetserver nsio_ioctl nsio_write nsio_break_off nsio_checkalive nsio_flowctrl nsio_dtr nsio_rts nsio_lctrl nsio_baud nsio_resetport nsio_setwritetimeouts nsio_breakcount 7-2

96 IP Serial LIB Example Program char NPortip= ; char buffer[255]; int port = 1; int portid; nsio_init(); portid = nsio_open(nportip, port); nsio_ioctl(portid, B9600, (BIT_8 STOP_1 P_NONE) ); sleep(1000); nsio_read(port, buffer, 200); nsio_close(portid); nsio_end(); /*data buffer, 255 chars */ /*1st port */ /* port handle */ /*initial IP Serial Library */ /*1st port, NPort IP= */ /*set 9600, N81 */ /* wait for 1000 ms for data */ /* read 200 bytes from port 1 */ /* close this serial port */ /* close IP Serial Library */ 7-3

97 A. Pinouts A and Cable Wiring The following topics are covered in this appendix: Port Pinout Diagrams Ethernet Port Pinouts RS-232/422/485 (male DB9) Pinouts RS-422/485 (5-contact terminal block) Pinouts for the NPort IA5150A Series Power Input and Relay Output Pinouts Serial Cable Wiring Diagrams Female DB9 to Male DB9 Female DB9 to Male DB25 Ethernet Cables

98 Pinouts and Cable Wiring Port Pinout Diagrams Ethernet Port Pinouts Pin Signal 1 Tx+ 2 Tx- 3 Rx+ 6 Rx- RS-232/422/485 (male DB9) Pinouts Pin RS-232 RS-422, 4-wire 2-wire RS-485 RS DCD TxD-(A) 2 RxD TxD+(B) 3 TxD RxD+(B) Data+(B) 4 DTR RxD-(A) Data-(A) 5 GND GND GND 6 DSR 7 RTS 8 CTS 9 Note: The NPort IA5150A Series s DB9 ports only support RS-232 signals. RS-422/485 (5-contact terminal block) Pinouts for the NPort IA5150A Series Pin 2-wire RS-485 RS-422, 4-wire RS TxD+(B) 2 TxD-(A) 3 Data+(B) RxD+(B) 4 Data-(A) RxD-(A) 5 GND GND Power Input and Relay Output Pinouts PWR1 PWR2 RELAY Shielded Ground DC Power Input DC Power Input Normal Open/Close, Relay output A-2

99 Pinouts and Cable Wiring Serial Cable Wiring Diagrams Female DB9 to Male DB9 Female DB9 to Male DB25 A-3

100 Pinouts and Cable Wiring Ethernet Cables A-4

101 B. Well B Known Port Numbers In this appendix, which is included for your reference, we provide a list of Well Known port numbers that may cause network problems if you set the NPort IA5450A to one of these ports. Refer to RFC 1700 for Well Known port numbers, or refer to the following introduction from the IANA. The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports. The Well Known Ports are those from 0 through The Registered Ports are those from 1024 through The Dynamic and/or Private Ports are those from through The Well Known Ports are assigned by the IANA, and on most systems, can only be used by system processes or by programs executed by privileged users. The following table shows famous port numbers among the well-known port numbers. For more details, please visit the IANA website: TCP Socket Application Service 0 reserved 1 TCP Port Service Multiplexor 2 Management Utility 7 Echo 9 Discard 11 Active Users (systat) 13 Daytime 15 Netstat 20 FTP data port 21 FTP CONTROL port 23 Telnet 25 SMTP (Simple Mail Transfer Protocol) 37 Time (Time Server) 42 Host name server (names server) 43 Whois (nickname) 49 (Login Host Protocol) (Login) 53 Domain Name Server (domain) 79 Finger protocol (Finger) 80 World Wide Web HTTP 119 Network News Transfer Protocol (NNTP) 123 Network Time Protocol 213 IPX Reserved for future use

102 Well Known Port Numbers UDP Socket Application Service 0 reserved 2 Management Utility 7 Echo 9 Discard 11 Active Users (systat) 13 Daytime 35 Any private printer server 39 Resource Location Protocol 42 Host name server (names server) 43 Whois (nickname) 49 (Login Host Protocol) (Login) 53 Domain Name Server (domain) 69 Trivial Transfer Protocol (TETP) 70 Gopler Protocol 79 Finger Protocol 80 World Wide Web HTTP 107 Remote Telnet Service 111 Sun Remote Procedure Call (Sunrpc) 119 Network News Transfer Protocol (NNTP) 123 Network Time Protocol (nnp) 161 SNMP (Simple Network Mail Protocol) 162 SNMP Traps 213 IPX (Used for IP Tunneling) B-2

103 C. SNMP C Agents with MIB II & RS-232 Like Groups The NPort IA5450A has SNMP (Simple Network Management Protocol) agent software built in. It supports SNMP Trap, RFC1317 RS-232 like groups and RFC 1213 MIB-II. The following table lists the standard MIB-II group, as well as the variable implementation for the NPort IA5450A. RFC1213 MIB-II Supported SNMP Variables System MIB Interfaces MIB IP MIB ICMP MIB SysDescr itnumber ipforwarding IcmpInMsgs SysObjectID ifindex ipdefaultttl IcmpInErrors SysUpTime ifdescr ipinreceives IcmpInDestUnreachs SysContact iftype ipinhdrerrors IcmpInTimeExcds SysName ifmtu ipinaddrerrors IcmpInParmProbs SysLocation ifspeed ipforwdatagrams IcmpInSrcQuenchs SysServices ifphysaddress ipinunknownprotos IcmpInRedirects ifadminstatus ipindiscards IcmpInEchos ifoperstatus ipindelivers IcmpInEchoReps iflastchange ipoutrequests IcmpInTimestamps ifinoctets ipoutdiscards IcmpTimestampReps ifinucastpkts ipoutnoroutes IcmpInAddrMasks ifinnucastpkts ipreasmtimeout IcmpOutMsgs ifindiscards ipreasmreqds IcmpOutErrors ifinerrors ipreasmoks IcmpOutDestUnreachs ifinunknownprotos ipreasmfails IcmpOutTimeExcds ifoutoctets ipfragoks IcmpOutParmProbs ifoutucastpkts ipfragfails IcmpOutSrcQuenchs ifoutnucastpkts ipfragcreates IcmpOutRedirects ifoutdiscards ipadentaddr IcmpOutEchos ifouterrors ipadentifindex IcmpOutEchoReps SysServices ifoutqlen ipadentnetmask IcmpOutTimestamps ifspecific ipadentbcastaddr IcmpOutTimestampReps ipadentreasmmaxsize IpNetToMediaIfIndex IpNetToMediaPhysAddress IpNetToMediaNetAddress IpNetToMediaType IpRoutingDiscards IcmpOutAddrMasks IcmpOutAddrMaskReps

104 SNMP Agents with MIB II & RS-232 Like Groups UDP MIB TCP MIB SNMP MIB UdpInDatagrams tcprtoalgorithm snmpinpkts UdpNoPorts tcprtomin snmpoutpkts UdpInErrors tcprtomax snmpinbadversions UdpOutDatagrams tcpmaxconn snmpinbadcommunitynames UdpLocalAddress tcpactiveopens snmpinasnparseerrs UdpLocalPort tcppassiveopens snmpintoobigs tcpattempfails snmpinnosuchnames Address Translation MIB tcpestabresets snmpinbadvalues AtIfIndex tcpcurrestab snmpinreadonlys AtPhysAddress tcpinsegs snmpingenerrs AtNetAddress tcpoutsegs snmpintotalreqvars Address Translation MIB TCP MIB SNMP MIB AtNetAddress tcpretranssegs snmpintotalsetvars tcpconnstate snmpingetrequests tcpconnlocaladdress snmpingetnexts tcpconnlocalport snmpinsetrequests tcpconnremaddress snmpingetresponses tcpconnremport snmpintraps tcpinerrs snmpouttoobigs tcpoutrsts snmpoutnosuchnames snmpoutbadvalues snmpoutgenerrs snmpoutgetrequests snmpoutgetnexts snmpoutsetrequests Address Translation MIB TCP MIB SNMP MIB snmpoutgetresponses snmpouttraps snmpenableauthentraps C-2

105 SNMP Agents with MIB II & RS-232 Like Groups RFC1317: RS-232 MIB Objects Generic RS-232-like Group RS-232-like General Port Table RS-232-like Asynchronous Port Group rs232number rs232porttable rs232asyncporttable rs232portentry rs232portindex rs232porttype rs232portinsignumber rs232portoutsignumber rs232portinspeed rs232portoutspeed rs232asyncportentry rs232asyncportindex rs232asyncportbits rs232asyncportstopbits rs232asyncportparity The Input Signal Table rs232insigtable rs232insigentry rs232insigportindex rs232insigname rs232insigstate The Output Signal Table rs232outsigtable rs232outsigentry rs232outsigportindex rs232outsigname rs232outsigstate C-3

106 D. Auto D IP Report Protocol NPort device servers provide several ways to configure Ethernet IP addresses. One of them is DHCP Client. When you set up the NPort to use DHCP Client to configure Ethernet IP addresses, it will automatically send a DHCP request over the Ethernet to find the DHCP Server. And then the DHCP Server will send an available IP address to the NPort. The NPort will use this IP address for a period of time after receiving it. But the NPort will send a DHCP request again to the DHCP Server. Once the DHCP Server realizes that this IP address is to be released to other DHCP Client, the NPort then will receive a different IP address. For this reason, users sometimes find that the NPort will use different IP addresses, not a fixed IP address. In order to know what IP address the NPort is using, you need to set up parameters in Network Settings via Web browser. The figure below is the NPort Web console configuration window. Enter the IP address and the Port number of the PC that you want to send this information to. And then you can develop your own programs to receive this information from the NPort. Here is NPort s Auto IP Report Protocol. We provide an example for you to easily develop your own programs. You can find this example on Moxa s website. Auto IP Report Format Moxa, 4 bytes Info[0] Info[1] Info[n] Info [n] Field ID Length Data Length 1 1 Variable, Length is Length Field

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